A protein made on a free ribosome has the cytosol as one of its final destinations, and one of its general functions is to form microfilaments. Proteins created on ribosomes that are connected are sent to the ER.
Whereas those produced on ribosomes that are free are delivered to the cytosol. To establish the protein's final position, signal sequences inside the protein will interact with recognition proteins at the mitochondrion. A mitochondrial protein's specific array of signal sequences will dictate whether it ends up in the outer membrane, intermembrane gap, inner membrane, or matrix. The ER membrane is connected to ribosome generating the protein.
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a homozygous agouti rabbit is crossed with a homozygous chinchilla rabbit, thus producing a f1 generation. complete the following punnett square according to a cross between a f1 generation and an albino rabbit. assuming the following alleles: A=agouti, C=chinchilla, a=albino, A is dominant over C and a, C is dominant over a. Assume agouti rabbits are female. Indicate the phenotypic ratio of crossing the offspring of the agouti with an albino.
the phenotypic ratio of crossing the offspring of the agouti with an albino is ½ agouti, ½ chinchilla .
Can albinism be cured?Albinism is a genetic disorder, and there is currently no cure. Treatment focuses on getting proper eye care and monitoring skin for problems. Your care team may include your primary care provider, a specialist in eye care called an ophthalmologist and a specialist in skin care called a dermatologist.
Can albino marry a non albino?For example, if albinos marry individuals who are non-albinism recessive carriers, chances of having an albino child are reduced. If an albino person marries another, or an albinism-recessive carrier, this will lead to increased chances of having a child with albinism.
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FILL IN THE BLANK According to a 2013 study by the Center for Biological Diversity, almost ____ of the ESA-protected species are recovering at the rate projected in their recovery plans.
According to a 2013 study by the Center for Biological Diversity, almost 10% of the ESA-protected species are recovering at the rate projected in their recovery plans.
Every living thing, from people to organisms we know little about like bacteria, fungi, and invertebrates, is included in biodiversity. This includes not only the species we deem uncommon, imperilled, or endangered but also every other type of living thing.
We consider people and the diversity of human cultures to be an aspect of biodiversity at the Center for Biological Diversity and Conservation. The concept that the social and biological facets of life are intertwined and that people and places are dynamic, always changing, and interconnected is what we refer to as being "biocultural." According to this idea, human behaviour, knowledge, and beliefs have an impact on natural systems, of which human societies are a part, and are also affected by them. All biodiversity, including species, landscapes (land and sea), and cultural ties to our homes, are made to be true by this relationship.
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select the correct term for each part of the reflex arc depicted in the picture hand toching cactus
A reflex arc is a neural pathway that controls an involuntary reflex. It is composed of five elements: a receptor, sensory neuron, integration center, motor neuron, and effector.
What do you mean by a receptor?
A receptor is a specialized protein found on the surface of a cell or within the cell that binds to specific molecules, such as hormones or neurotransmitters, and triggers a cellular response. Receptors can be found in all cells and play a vital role in a wide range of biological processes, such as metabolism, growth, development, and the immune response.
1. Stimulus: Touching the cactus
2. Receptor: Sensory nerve endings
3. Integration Center: Spinal cord
4. Motor Response: Withdrawal of hand
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Which of the following best describes how thermal pollution from power plants can affect aquatic ecosystems?a. Water injected into the ground during the hydraulic fracking process can seep into wells, causing methane contamination.b. Wastewater from nuclear power plants contains radioisotopes and carbonic acid, which increase the rate of cancer in aquatic species.c. Warm water discharged into rivers and streams decreases the oxygen content of the water, which reduces the number of fish species.d. Warm water runoff that reaches lakes and ponds slows down the metabolic rate of aquatic animals, which decreases primary productivity.
Warm water runoff that reaches lakes and ponds slows down the metabolic rate of aquatic animals, which decreases primary productivity best describes how thermal power plants can affect aquatic ecosystem.
Thermal pollution refers to any change in a habitat's natural temperature, and it can take many different forms, from the discharge of cold water into nearby streams to the increased temperatures associated with industrial cooling activities disturbing the aquatic ecosystem. Thermal or nuclear power stations, industrial effluents from steel mills, pulp and paper mills, chemical plants, refineries, as well as sewage effluents, are the main sources of thermal heat pollution. The most important condition for aquatic species' survival is the water's ambient temperature. Because temperature increases limit enzyme activity, aquatic plants have a lower rate of photosynthesis. Thermal pollution causes water bodies to become warmer, which reduces the primary productivity and species diversity of aquatic plants. Fish and other species acclimated to a specific temperature range may therefore be killed by the sudden shift in water temperature when a power plant first starts up or shuts down for maintenance or other reasons.
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complete the following statements by writing the correct word or phrase in the space provided. the two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and , which forms the epidermis. the tough water-repellent protein found in the epidermal cells is called . the pigment has 2 forms and contributes to skin color. people with darker skin have mostly , while those with lighter skin have mostly . 2. list the main functions of the integumentary system. 3. using the following choices, choose all responses that apply to the following descriptions a. stratum basale d. stratum lucidumg. reticular layer b. stratum corneum e. stratum spinosum h. epidermis as a whole c. stratum granulosum f. papillary layeri. dermis as a whole clear layer of epidermis in thick skin only dead cells dermal layer responsible for fingerprints vascular region major skin area that accessory structures like skin, nails, and glands originate from epidermal region where most cell division takes place scalelike dead cells, full of keratin, that constantly sloughs off has abundant collagen and elastic fibers location of melanocytes and merkel discs region of areolar connective tissue cells in this region are filled with keratohyalin granules langerhans cells can be found in this region of the epidermis
The skin has two primary layers: the epidermis, which is made up of tightly packed epithelial cells, as well as the dermis, which is made up of dense, irregular fibrous tissue and contains sweat glands, blood arteries, and other structures.
There epidermis, dermis, hypodermis, related glands, hair, and nails are all a part of the integumentary system. Proliferation and the connection of a epidermis to the basement are the stratum basale's two main tasks. The "brick generators," or cells of the basal layer, are essentially the germinal cells that give rise to all epidermal cells.When a plant cell is exposed to this kind of solution, the plant will wilt as a result of water loss and a decrease in turgor pressure (also known as plasmolysis).Because there is no osmosis, it won't harm cells when injected into them. When a plant cell is exposed to this kind of solution, the plant will wilt as a result of water loss and a decrease in turgor pressure (also known as plasmolysis). If a solution's solute concentration is greater than that of the cell and the solutes are unable to permeate the membrane, the liquid will be hypertonic to the cell.
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true/false. harold felt his stomach growl when he smelled the pizza. in this example, the smell of pizza is the unconditioned response secondary reinforcer positive reinforcer conditioned response conditioned stimulus
harold felt his stomach growl when he smelled the pizza. in this example, the smell of pizza is the unconditioned stimulus.
Unconditioned stimulus is a term used to describe a stimulus that causes an instinctual reaction. At the time of Pavlov's experiment, food was the unconditioned stimulus. Reaction to a stimulus that is unconditioned occurs reflexively. The dogs' unconditioned response in Pavlov's experiment was to salivate for food.
Food's aroma serves as an unconditioned stimulus, hunger is an unconditioned response, and the whistle you make when you smell food serves as a conditioned stimulus.
Your nose is being tickled by a feather, making you sneeze. When you cut an onion, the fragrance makes your eyes water. grass and flower pollen, which makes you sneeze. A sudden loud bang makes you startle.
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You're studying MN blood type (determined by one gene with two alleles) in Navajo Native Americans, and you get the following genotype counts: MM: 144 MN: 51 NN: 5 Based on these numbers, are the Navajo at Hardy-Weinberg for this blood group gene? (If individual genotype frequencies are all within 0.05 of expectations, consider that to be NOT DIFFERENT; if individual genotype frequencies differ by more than 0.05 from expectations, then consider that to be DIFFERENT) If they differ from HW. interpret the cause of the deviation They are not, likely caused by selection against the MM blood type They are at or near Hardy-Weinberg expectations for this gene They are not likely caused by selection favoring the NN blood type They are not likely caused by a Wahlund effect from interbreeding with neighboring tribes (or possibly inbreeding)
Based on the number of MN blood group genotypes, they are not from the HW data, possibly due to the Wahlund effect of interbreeding with neighboring tribes (or maybe inbreeding)
In population genetics, the Wahlund effect is the buildup of heterozygosity (ie when an organism has two different alleles at a locus) in a population caused by the structure of subpopulations. That is, if two or more subpopulations are in Hardy-Weinberg equilibrium but have different allele frequencies, the overall heterozygosity is less than if the entire population is in equilibrium. The underlying cause of this population subdivision could be a bottleneck to the geographic flow of genes followed by genetic shifts within the subpopulation.
Genotype frequency:
MM (p2) = 400/2000 = 0.2
MN(2pq) = 1200/2000 = 0.6
NN (q2) = 400/2000 = 0.2
Allele frequency:
Frequency M = p = p² + 1/2 (2pq) = 0.2 + 1/2 (0.6) = 0.2 + 0.3 = 0.5
Frequency N = q = 1-0.5 = 0.5.
Expected genotype frequencies (assuming Hardy-Weinberg):
MM (p²) = (0.5)² = 0.25
MN (2pq) = 2(0.5)(0.5) = 0.5
NN (q²) = (0.5)² = 0.25
Expected number of individuals from each genotype:
MM = 0.25 X 400 = 100
MN = 0.5 X 1200 = 600
NN = 0.25 X 400 = 100
CHI-SQUARE (X²):
X² = Σ(O-E)²/E
X² = (400-100)²/400 + (1200-600)²/1200 + (400-100)²/40
X² =225 + 180 + 200
X² =630
X² (Calculated) > X² (table), then reject the null hypothesis. Not on HWE.
Therefore, conclude there is a statistically significant difference between what was observed and what was expected under Hardy-Weinberg. That is, the null hypothesis is rejected and concludes that the population is not in HWE. They don't, possibly due to the Wahlund effect of interbreeding with neighboring tribes (or possibly inbreeding).
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g here is a scatterplot of progeny phenotypes (y-axis) and the average of two parental phenotypes (x-axis). the straight line is the best-fit linear relationship between y and x.
The selective pressure that herbivory places on plants is significant. Trichomes on the leaves of Arabidopsis thaliana are an essential defense against insect herbivory, but their development has a negative impact on plant fitness when there is no herbivory.
What is herbivory ?The genetic underpinnings of trichome density induction have not been studied, but previous research on A. thaliana has demonstrated an increase in trichome density in response to leaf damage, suggesting a mechanism by which the cost associated with constitutively high trichome density might be mitigated.Here, we describe the mapping of quantitative trait loci (QTL) for constitutive and damage-induced trichome density in two new recombinant inbred line populations of Arabidopsis thaliana; mapping for constitutive and induced trichome density also allowed for the investigation of damage response (plasticity) QTL. The first QTL for induced trichome density and response, as well as novel and previously described QTL, are found. It is interesting to note that two of the four parental accessions and numerous RILs in each group showed decreased trichome density after leaf injury, a reaction not previously seen in A. thaliana. Intriguingly, a single QTL was identified for the response phenotype, and allelic variation at this locus seemed to control the response trajectory in RILs. The information demonstrates that trichome density's genetic architecture includes epistatic interactions as a significant element.The Complete Question.
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The carbon cycle is the continuous exchange of carbon dioxide and oxygen between living things in the natural environment. Which step in the carbon cycle involves the transformation of carbon dioxide into oxygen? A. the transformation of plants into fossil fuels B. photosynthesis C. cellular respiration (D.) the burning of fossil fuels
(B) photosynthesis is the step in the carbon cycle involves the transformation of carbon dioxide into oxygen.
what is photosynthesis?Plants and other living things employ a process called photosynthesis to transform light energy into chemical energy that can subsequently be released through cellular respiration to power the organism's activities.
what is respiration ?Respiration is referred to as a metabolic process in which carbon dioxide is released from the oxidation of complex organic molecules and oxygen is taken in by the living cells of an organism to produce energy (in the form of ATP).
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true/falsee. directional terms change when comparing structures and anatomical features of humans to animals that walk on four legs.
directional terms change when comparing structures and anatomical features of humans to animals that walk on four legs is true
How do animals walk on 4 legs? In fact, quadrupeds walk by moving their left hind leg first, followed by their left foreleg. Then they repeat the same pattern with the right leg. All quadrupeds walk in the same pattern and differ only in the timing of their stepsWhen moving slowly all four legged mammals use the same gait. Basically they walk one side then the other. Firstly they step with their left hind leg followed by their left foreleg. Then they step with their right hind leg followed by the right foreleg, and so onLegged animals generally get from place to place using a walking gait. Gaits are traditionally defined by footfall patterns, with walking animals having at least one leg in contact with the ground at all timesTo learn more about anatomical refers to:
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the following media contains specific nutrients that encourage the growth of a pathogen over the growth of other bacteria from a specimen. it is useful in the isolation of stool pathogens such as salmonella and shigella, the isolation of anaerobes, and the selective isolation of group b streptococci.
The media described is a selective media. Selective media contains specific nutrients that encourage the growth of a specific microorganism or group of microorganisms while inhibiting the growth of others.
The Selective media is useful in the isolation of stool pathogens nutrients such as Salmonella and Shigella by providing an environment that supports the growth of these pathogens while inhibiting the growth of other bacteria present in the nutrients specimen. The Selective media is also useful in the isolation of anaerobes, which are bacteria that grow best in the absence of oxygen. Additionally, the Selective media can be used for the Selective media of Group B Streptococci, by providing the specific nutrients that support the growth of these bacteria over other bacteria present in the specimen.
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which of the following gives the proper sequence of steps for achieving a beer clean glass using the three-sink method?
1. Rinse the glass with hot water in the first sink. 2. Soak the glass in a sanitizer solution in the second sink for at least one minute. 3. Rinse the glass with cold water in the third sink. 4. Allow the glass to air dry in a clean, inverted position.
What is sink?A sink is a fixture used for washing hands and dishes, and for other cleaning purposes. It is usually made of porcelain or stainless steel and is mounted on the countertop or wall. The sink has a basin, usually with a drain and a tap or faucet. It is connected to the plumbing system, which supplies water for washing and draining. Sinks can also have a sprayer hose, a garbage disposal, or an aerator for better water flow. They are an essential part of any kitchen or bathroom, and come in a variety of sizes and styles to suit different spaces and needs.
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salmon introduction in the great lakes has brought in millions of dollars from sportfishing, yet environmentally it has group of answer choices increased exotic invasive fish populations. decreased migratory bird populations. decreased native fish populations and disrupted spawning. improved water quality.
Salmon introduction in the great lakes has brought in millions of dollars from sportfishing, yet environmentally it has decreased native fish populations and disrupted spawning.
Fishes that reach a mature or adult size of 25–30 cm are considered to be small indigenous freshwater fish species (SIF). They live in floodplains, ponds, lakes, bears, streams, lowland areas, marshes, and paddy fields in addition to rivers and their tributaries.
Several commercially significant species of euryhaline ray-finned fish belonging to the Salmonidae family that are indigenous to rivers of the North Atlantic and North Pacific basin go by the common name "salmon." The same family also includes trout, char, grayling, whitefish, lenok, and taimen, which are all closely related fish.
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Question 1 (1 point)
Which of the following is true about budgets for government forestry agencies?
There are no extra funds for natural disasters
They need to make a profit to keep parks running
Each agency gets to decide how much money it wants for the year
They are given an allocated amount and need to make it last the year
Question 2 (1 point)
If you can't work in a forestry-related field, any job will help you
better protect the environment.
develop skills specific to forestry.
establish yourself as a good employee.
complete the requirements for a certificate in forestry.
Question 3 (1 point)
A government agency would likely spend most of its budget on which of the following?
Rent
Salaries
Retail items
Heavy equipment
Question 4 (1 point)
A material safety data sheet gives all of the following information about chemicals EXCEPT
safe disposal.
proper storage.
appropriate handling.
replicating the chemical.
Question 5 (1 point)
Which of the following can require a specialized license to operate?
Machinery for shredding branches
Pickup trucks owned by a business
Chainsaws and other types of saws
Equipment like cranes and excavators
1) They are given an allocated amount and need to make it last the year
2) Develop skills specific to forestry.
3) Salaries.
4) Replicating the chemical.
5) Equipment like cranes and excavators.
Which of the following terms describes an enzyme that transfers a phosphate group from ATP to a substrate? a. kinase b. isomerase c. mutase d. dehydrogenase
The correct option is a. Kinase.
What is Kinase?
Kinase is an enzyme that adds phosphate groups (PO43-) to other molecules. There are numerous kinases, and the human genome contains at least 500 kinase-encoding genes. Targets of these enzymes for the addition of phosphate groups (phosphorylation) include proteins, lipids, and nucleic acids.
A kinase is a type of catalase or transferase that transfers one group to another. In this reaction, a kinase catalyzes the reaction and transfers a phosphate group to the ATP substrate. It is a type of phosphorylation reaction.
Therefore, the answer is a kinase.
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Which two of the following are mechanisms to protect the DNA in an endospore?
stabilizing denatured DNA so that it renatures during germination
maintaining a low water content in the core
extensive cross-linking of proteins in the endospore coat layer
inserting complexes of calcium-dipicolinic acid between the bases
covering the DNA with small acid-soluble proteins (SASPs)
inserting complexes of calcium-dipicolinic acid between the bases and
covering the DNA with small acid-soluble proteins (SASPs), these are the mechanism for protecting the DNA in an endospore.
The role of SSAPs which are found in the endospore has a very iportant role to play, these kind of proteins present, they tightly bind and condense the DNA and are also a part responsible for resistance to UV light and also the DNA-damaging chemicals.
endospore also have calcuim. about 20% of dry weight of endospore has calcuim dipicolinic acid and their role is to stabilize the DNA.
They protect the spore from heat and oxidizing agents present.
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The ledger of Pharah Company contains the following balances: Owner's Capital $29,400, Owner's Drawings $1,600, Service Revenue $52,000, Salaries and Wages Expense $25,400, and Supplies Expense $7,100.
The income to Pharah Company, based on the service revenue and the salaries and wages is $ 19, 500
How to find the income ?The income to Pharah Company can be found by the basic principle of subtracting the costs and expenses of the business, from the revenue of the business.
The income to the business is therefore:
= Service revenue - Salaries and wages expense - Supplies expense
= 52, 000 - 25, 400 - 7, 100
= $ 19, 500
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The rest of the question is:
What is the income to Pharah Company ?
select from the following concepts the ones that are part of the core concept of energy flow and energy transformations in biology: (check all that apply)
The core concept of energy flow and energy transformations in biology
A) Moving, growing, reproducing, and the various cellular activities of life are work, and work requires energy. C) Energy and matter can not be created or destroyed, but can be changed from one form to another.D) Energy captured by primary producers is necessary to support the maintenance, growth, and reproduction of all organism.What is energy transformation?Energy transformations are procedures that change one type of energy (such as kinetic, gravitational potential, or chemical energy) into another. Any form of energy use must involve a form of energy transformation.
The science of thermodynamics examines how energy transforms from one type to another. Energy and energy conversions are governed by the laws of thermodynamics.
Energy cannot be created or destroyed (this is known as the conservation of energy), but it can be changed from one type to another. In actuality, every useful process converts energy from one form to another. Energy comes in a wide variety of shapes and forms.
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Full question:
select from the following concepts the ones that are part of the core concept of energy flow and energy transformations in biology: (check all that apply)
A. Moving, growing, reproducing, and the various cellular activities of life are work, and work requires energy.
B. Biological molecules, genes, cells, tissues, organs, individuals, and ecosystems interact to form complex networks.
C. Energy and matter can not be created or destroyed, but can be changed from one form to another.
D. Energy captured by primary producers is necessary to support the maintenance, growth, and reproduction of all organism.
E. Emergent properties result from the arrangement and interaction of parts within a system.
in plants a storage product that results from the dehydration synthesis of many glucose molecules is
Answer:
How are glucose molecules produced by green plants usually processed? Converted into starch by dehydration synthesis and stored in roots.
which of the following events is believed to be the earliest step toward the origin of a living cell?
The earliest step toward the origin of a living cell is believed to be the formation of simple organic molecules, such as amino acids and nucleotides.
What are some hypotheses regarding the beginnings of life and the formation of cells?According to the RNA world hypothesis, which is supported by many scientists, RNA rather than DNA was the earliest genetic molecule of life on Earth. The pre-RNA world hypothesis and the metabolism-first hypothesis are additional theories. The early Earth may have received organic molecules from meteorites and other cosmic bodies.
What was thought to be the origin of life on Earth?The earliest living forms were prokaryotes, which were uncomplicated organisms that subsisted on carbon molecules that were building up in the early oceans of Earth.
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when a substance is introduced into the blood that makes the fluid in the vascular compartment fluid will be drawn from the cells into the vascular compartment
When a substance is introduced into the blood that makes the fluid in the vascular compartment hypertonic, fluid will be drawn from the cells into the vascular compartment.
What do you mean by vascular compartment?
Vascular compartment refers to a group of tissues and organs that are connected by the circulatory system. It includes the heart, blood vessels, and other organs, such as the liver, kidneys, and lungs. Vascular compartments are important for regulating the distribution of blood, nutrients, and other substances throughout the body.
Hypertonic solutions contain a higher concentration of solutes than the cells, such as a higher concentration of sodium or sugar molecules. This causes molecules to diffuse out of the cells and into the vascular compartment, drawing water with them and increasing the osmolarity of the vascular compartment. This creates an osmotic pressure gradient between the two compartments, which drives fluid from the cells into the vascular compartment.
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Correct form of question:
When a substance is introduced into the blood that makes the fluid in the vascular compartment ______________, fluid will be drawn from the cells into the vascular compartment.
In figure 1, water is shown being pumped out of the paramecium
by the contractile vacuole. Which best describes this process?
A This is active transport and does not require the use of
energy.
B
This is passive transport and does not require the use of
energy.
C
This is passive transport and requires the use of energy.
D
This is active transport and requires the use of energy.
Answer:
D. This is active transport and requires the use of energy
Explanation:
It is going against the concentration gradient
a. an agricultural technique in which crop species in a field are alternated from season to season b. agriculture that applies the techniques of mechanization and standardization
Crop rotation is a farming method in which the crop species of a field are switched from year to year. using mechanization and standardization measures to create deserts in agriculture.
How does intercropping impact a farm's ecology?The advantages of intercropping include greater productivity, a more balanced distribution of resources, decreased risk to the farm, and weed and bug pest control. Trap cropping: This method makes use of an attractant crop that is grown close to the producing crop.
What one method may farmers use to lessen the risk of several pests?This could entail employing cultural techniques in an annual crops, like crop rotation, the choice of pest-resistant cultivars, and the planting of pest-free rootstock. These techniques of control can be very efficient and cost-effective, and they pose little.
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anorexic individuals have trouble maintaining normal body temperature because of . group of answer choices wearing baggy clothes increased synthesis of the thyroid hormone lack of appropriate clothing as the person tries to show off his/her extreme thinness loss of body fat as insulation
Loss of body fat as insulation against cold temperatures.
How does the human body respond to cold temperatures?
When exposed to cold temperatures, the human body responds in a variety of ways. The body will attempt to maintain a balance of heat by constricting the blood vessels in order to reduce the flow of blood to the extremities and conserve heat.
The body will also shiver in an attempt to generate heat. The skin may become more pale and the person may experience a decrease in metabolism, which can lead to fatigue.
The body may also increase its production of cortisol in order to increase energy levels. Additionally, the body will begin to store fat in order to provide insulation and further conserve heat.
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if all respiratory muscles are relaxed, the volume of air in the lungs is equal to which of the following volumes or capacities
It is the total amount of air that the lungs can hold, the sum of all the air compartments, or the amount of air remaining in the lungs after the greatest amount of inspiration .The typical value is approximately 6,000 mL. (4 l).
How much lung capacity remains when all muscles are relaxed?The lung swells to a volume that is roughly 40% of its maximum volume at the conclusion of full inspiration when the muscles of inspiration and expiration are completely relaxed. This volume is referred to as the functional residual capacity.
How do respiratory muscles affect the size of the lungs?The rib cage moves closer to the lungs when the diaphragm relaxes, increasing intrapleural pressure back to -5 cm H2O. Lung volume declines as a result.
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for each of the following sequences, fill in either the dna, the mrna sequence, the trna anticodons, or the amino acid sequence that have been left blank. if several sequences might work, choose any one of those sequences. hint: when solving for the amino acids (aa), be sure to use the mrna strand for the codon cipher.
A DNA codon has the nucleotide sequence TAG. The codon in an mRNA molecule made from this DNA bears the sequence 5'-AUC-3'.
A transfer RNA joins the mRNA codon during the production of proteins. The tRNA anticodon has the nucleotide sequence 3'-UAG-5'. Isoleucine is the amino acid that is joined to the tRNA. Explanation: The sequence of nucleotides that dictate the sequence of amino acids that a protein will have during protein synthesis are found in the mRNA, which is transcribing information from the DNA. In mRNA, codons are triplets of nitrogenous nucleotides that code for an amino acid and mark the beginning and end of protein synthesis. In contrast to mRNA codons, anticodons are triplets of nucleotides found in transfer RNA (tRNA). The linking of amino acids to the polypeptide chain being produced is carried out by tRNA. Considering this TAG is one of three DNA triplets.
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_______________develop when two eggs each get fertilized by two different sperm, resulting in two zygotes in the uterus at the same time.
A) Dizygotic twins
B) Fraternal twins
C) Wombmates
D) Monozygotic twins
Fraternal twins develop when two eggs each get fertilized by two different sperm, resulting in two zygotes in the uterus at the same time.
What is Fraternal Twins?
Fraternal twins, also known as non-identical twins, are two babies that were created when two separate eggs are fertilized by two separate sperm.
They develop from two separate fertilized eggs and, therefore, have different genetic make-ups. Fraternal twins are as genetically different from each other as any other sibling.
They may share some physical characteristics, but they are not identical. Fraternal twins are no more alike than any other siblings, although they may have similar personalities or interests as a result of growing up in the same family.
Fraternal twins are often referred to as dizygotic twins, meaning that they developed from two separate eggs. Fraternal twins can be of the same or different sexes, and the rate of fraternal twinning can vary greatly between families and ethnic groups.
Therefore, Option B is correct.
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Why are bats able to live much longer than mice – even mice that have been protected their entire lives in a lab setting?
In the paragraph below, select the words that correctly complete each sentence. All plants and animals use the process of to obtain energy from food. This process begins in the , where glucose is broken down into smaller molecules to produce energy. The second part of the process takes place in the . Here the molecules are broken down further and produce as a waste product. In addition, the second part of the process requires in order to function.
The words that complete the blanks are;
1) Respiration
2) Cells
3) Carbon dioxide
4) Oxygen
5)ATP
What are the words that complete the blanks?We know that in the ecosystem, it is the plants that are the producers of the energy and it can be stored as the complex sugars that are taken in by animals.
The process of digestion begins with the intake of these energy molecules and then they are broken down and they can now be converted into energy.
Hence, the process involves the intake of oxygen and the production of the carbon dioxide
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Which of the following events happens at the conclusion of meiosis I?
A) Four daughter cells are formed.
B) Homologous chromosomes of a pair are separated from each other.
C) The chromosome number per cell remains the same.
D) Sister chromatids are separated.
At the end of meiosis I, a pair's homologous chromosomes are split from one another.
What occurs once meiosis 1 is complete?When each homologous pair of chromosomes reaches the opposite poles of the cell, meiosis I is complete. Each haploid set of chromosomes is encircled by a fresh nuclear membrane once the microtubules break down. When the chromosomes uncoil, new chromatin is formed, and cytokinesis takes place, two distinct daughter cells are created.
At the end of meiosis, which of the following occurs?
The two cells are then physically split apart by a process called cytokinesis. Four haploid daughter cells remain after meiosis, and these cells can differentiate into either sperm or egg cells.
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