Answer:
In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. ... Parts of a cell. A cell is surrounded by a membrane, which has receptors on the surface.
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated.
Explanation:
Determine whether the following statement is true or false. If false, select the choice that will make it true. "Aerobic respiration produces Glucose."
A. True
B. False, it produces proteins.
C. False, it breaks ATP into ADP.
D. False, it produces ATP.
Answer:
D. False, it produces ATP
The statement "Aerobic respiration produces Glucose" is false. This is because it produces ATP. Thus, the correct option is D.
What is Aerobic respiration?Aerobic respiration may be defined as a chemical process in which oxygen is utilized in order to construct energy from carbon dioxide and water. This type of respiration typically takes place in the presence of oxygen to catalyze a given set of reactions.
Aerobic respiration occurs in presence of water. It takes place with help of glucose further convert into pyruvate to derive carbon dioxide, water, and energy in form of ATP. The process of aerobic respiration is also known as oxidative metabolism and cell respiration. In this process, glucose reacts with oxygen to form ATP.
Therefore, the statement "Aerobic respiration produces Glucose" is false. This is because it produces ATP along with carbon dioxide and water. Thus, the correct option is D.
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What is the function of the enzyme RNA polymerase during transcription?
helps slow down the process of transcription
helps speed up the process of transcription
aids in destroying the mRNA sequence that was read
aids in packaging amino acids for use at a later time
Answer:
The correct answer is - helps speed up the process of transcription.
Explanation:
RNA polymerase binds to the DNA sequence and copy a single DNA sequence into RNA and helps a single gene to produce hundreds or even thousands of RNA molecules during transcription.
It helps in the speed up the transcription by copying the sequence and producing mRNA for translation process later.
Answer:
I hope this helps.
Explanation:
Which of the following is NOT an adaptation for deep diving in Cetaceans? Having a lot of myoglobin in the muscles to store oxygen Having increased hemoglobin concentrations to store more oxygen Slowed heart rate Blood flow is shifted from the brain to the extremities Collapsing the lungs to compensate for increasing water pressure during deep dives
Answer:
Hence the correct answer is Blood flow is shifted from the brain to the extremities.
Explanation:
Blood flow is shifted from the brain to the extremities - most marine mammals have an in-depth network of blood vessels towards their brain which is understood because of the retia mirabilia. These reduce the temperature in the extremities.
The structure of the cell membrane was discovered in 1895 by _________. Finding a similarity to Olive Oil, he discovers membranes are made of __________.
A. Charles Overton, amino acids
B. Gorter and Grendel, amino acids
C. Charles Overton, lipids
D. Irving Langmuir, lipids
The structure of the cell membrane was discovered in 1895 by Charles Overton . Finding a similarity to Olive Oil, he discovers membranes are made of lipids. Thus option C is correct.
What is cell membrane structure ?The cell membrane is primarily composed of a mix of proteins maintain the chemical climate of cell and lipids provide flexibility to membrane.
In lipid bilayer, phospholipids are the major component has hydrophilic head face to the aqueous cytosol and the extracellular fluid, where hydrophobic tail areas face opposite to cytosol.
Other types of lipid like cholesterol selectively dispersed in animal cell membranes.
Glycolipids present on the surface of cell membrane bind with a sugar chain , it help in recognition of other cells.
Major types of membrane proteins are peripheral membrane proteins exposed to exterior and Integral membrane proteins are present inside the membrane, some portion are transmembrane proteins are present on both sides.
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Which of the following describes a cnidarian with a polyp body form?
a tube-like body attached to a firm surface with tentacles on the opposite side of the attachment, surrounding the animal's mouth
an animal with a body lacking tissue
a body shaped like an umbrella that is capable of swimming and has tentacles hanging below it
an animal body that digests food intracellularly rather than extracellularly within a gastrovascular cavity
Answer:
a tube-like body attached to a firm surface with tentacles on the opposite side of the attachment, surrounding the animal's mouth
Explanation:
A polyp is a type of body structure that a cnidarian can assume. The cnidarians, in turn, are invetebrate animals of aquatic life. This group of animals includes jellyfish, corals and sea anemones.
In polyp form, cnidarians are not actively moving, although some do move when they feel threatened. This is because they appear as a tubular structure, with one end fixed to the sea floor. The other end presents the animal's mouth, which is surrounded by tentacles that are responsible for capturing the prey needed for food.
Answer:
a tube-like body attached to a firm surface with tentacles on the opposite side of the attachment, surrounding the animal's mouth
Explanation
it's correct
Does cellular respiration follow the law of conservation of energy?
Yes. Every chemical reaction obeys the law of conservation of mass.
Believe it!!
Pls follow me.
Explain why the biomass of secondary consumers is always lower than the biomass of primary consumers.
Answer:
Because energy is lost in the transfer from one level to the next, there is successively less total energy as you move up trophic levels. In general, we would expect that higher trophic levels would have less total biomass than those below, because less energy is available to them.
¿Cuál se considera la “barrera simbólica” del nivel de CO2 en la atmosfera? ¿Cuál es el nivel de CO2 en la actualidad? ¿Qué significa esto? Menciona tres consecuencias de esta situación.
Answer:
413,55 ppm
Explicación:
413,55 ppm es el nivel de dióxido de carbono actual en comparación con el nivel de dióxido de carbono que es de aproximadamente 280 ppm antes de la revolución industrial. Esto significa que la revolución industrial aumenta la concentración de gas dióxido de carbono en la atmósfera, que es la principal causa del derretimiento de los glaciares, el cambio climático y el calentamiento global. Hay una gran cantidad de dióxido de carbono que se libera de las industrias, lo que es responsable del aumento de la concentración de dióxido de carbono en la atmósfera.
There is a U-tube in which solutions in two arms A and B are separated by a membrane. Arm A contains glucose with concentration of 0.4 mol per liter and sodium chloride with concentration of 0.5 mol per liter. Arm B contains glucose with concentration of 0.8 mol per liter and sodium chloride with concentration of 0.4 mol per liter.
The solutions in the arms of a U-tube (the figure) are separated at the bottom of the tube by a selectively permeable membrane. The membrane is permeable to sodium chloride but not to glucose. Side A is filled with a solution of 0.4 M glucose and 0.5 M sodium chloride (NaCl), and side B is filled with a solution containing 0.8 M glucose and 0.4 M sodium chloride. Initially, the volume in both arms is the same.
If you examine side A in the figure after three days, the concentrations of glucose and NaCl should be _____________.
Answer:
0.4 M glucose, 0.45 M NaCl
Explanation:
I hope this helped!
How do protist get inside the gut of a termite?
Explanation:
their mutualism parasites they benefits off of The termite because of the food they eat and the termite just live with it , letting it eat the food from the inside of their stomach , and protists live inside the stomach as a home like parasites do but this is mutualism because the termite lets them
What is the constant of “which date works best for a homemade fly trap?”
Answer:
Mix scraps of meat (the older, the better) with something sweet. Lots of people swear by using rotten fish or shrimp, which probably work best because they smell so much. Bait for Fruit Flies: Use fruit (the riper, the better), apple cider vinegar, fruit juice, syrup, wine, beer, or any combination
Give Jeason: si System is accepted by all nations in the world.
it's very practical, because it's on base 10, so conversion between stuff like meters to kilometer is always just a multiplication with 10 to some power
like 1 km = 1000m (10³m)
or 1 m = 10^-3km = 0.001km
same reason for other SI units.
except time, that's base 60, or 12, or 24. that's more complicated, but there isn't any real competition
describe the stages in the process of selective breeding
Answer:
Selective breeding takes place over many generations. These are the main steps for both plants and animals involve:
Decide which characteristics are important enough to select.Choose parents that show these characteristics from a mixed population. They are bred together.Choose the best offspring with the desired characteristics to produce the next generation.Repeat the process continuously over many generations, until all offspring show the desired characteristics.Hope this answer helps you..!!
.
.
Select this answer as the BRAINLIEST!!
Answer:
I think the answer is Selective breeding takes place over many generations. These are the main steps for both plants and animals involve:
Decide which characteristics are important enough to select.
Choose parents that show these characteristics from a mixed population. They are bred together.
Choose the best offspring with the desired characteristics to produce the next generation.
Repeat the process continuously over many generations, until all offspring show the desired characteristics.
Hope this answer helps you ^^
How did Alexander Fleming's research solve a societal problem?
• He developed ways to treat inherited diseases.
• He advocated for
regular hand washing to kill germs.
• He discovered a new
type of medicine that could treat infections.
• He discovered the cause of mad cow disease,
an emerging disease.
He discovered a new type of medicine that could treat infections.
He discovered the 1st antibiotic (penicillin).
Define Aerobic
Thank you! :)
Answer:
Aerobics is a type of physical activity that combines rhythmic aerobic exercise with stretching and strength training exercises to improve overall fitness.
~OAmalOHopeO
What is the best description of connective tissue? Question 3 options: All of its cells rest on a basal lamina. All of its cells associate via cadherins in their plasma membrane. All of its cells are electrically connected via gap junctions. All of its cells are sparsely distributed in the extracellular matrix.
Answer:
Connective tissue is a group of tissues in the body that keep the body and its organs in shape while also providing cohesion and internal support.
All of its cells exist sparsely distributed in the extracellular matrix is the best description of connective tissue.
What is connective tissue?
Tissue that sustains, protects and provides structure to other tissues and organs in the body. Connective tissue also stores fat, permits the movement of nutrients and other substances between tissues and organs, and allows the repair of damaged tissue. Connective tissue exists created up of cells, fibers, and a gel-like substance.
Connective tissue is discovered in between other tissues everywhere in the body, including the nervous system. The three outer membranes (the meninges) that surround the brain and spinal cord exist composed of dense inert connective tissue.
Connective tissues bind systems together, form a framework and support for organs and the body as a whole, store fat, transport substances, defend against disease, and assist restoration of tissue damage.
Hence, All of its cells exist sparsely distributed in the extracellular matrix is the best description of connective tissue.
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Important steps in sequencing pure proteins include all of these except: a. Determining the amino acids on the ends of the smaller peptides b. Determining the isoionic pH of the protein c. Determining the amino acids on the ends of the protein d. Breaking the protein into smaller peptides e. Determining the amino acid composition
Answer:
b. Determining the isoionic pH of the protein
Explanation:
The sequencing of pure proteins is nothing more than the analysis of the amino acids present in isolated proteins. This analysis is composed by the study of the sequence that the amino acids assume within the protein, the amino acids present in the extremities and the constitution of each one of these amino acids. In summary, we can state that protein sequencing refers to the constitution of these proteins. In this case, the isotonic pH of these proteins is not relevant information.
Based on the information in the graph, what is the best conclusion to draw
about Africa?
World Population Growth
20,000
10,000
World
5,000
Asia
2,000
Africa
1,000
Europe
WANIA
500
200
100
United States,
Canada, and Greenland
Mexico,
Central America, Caribbean Islands,
and South America
Oceania (Australia and
nearby islands in the Pacific)
50
20
10
1950
1960
1970
A. The fertility rate is very low.
1980
1990
2000
2010
2020
2030
2040
2050
B. It has reached its carrying capacity.
C. The birthrate is higher than the death rate.
oc
D. It has few resources.
The correct answer is C. The birthrate is higher than the death rate.
Explanation
The graph is about the growth of the world population, this shows the population growth of the world, Asia, Africa, Europe, United States, Canada and Greenland, Mexico, Central America, Caribbean Islands, and South America, and Oceania (Australia and nearby islands in the Pacific). This graph covers the time from 1950 to 2050 divided into decades. In the specific case of Africa in 1950 it had a population of close to 300 million people. Subsequently, in 2010 the population of Africa was close to 1 billion people and the projection for the year 2050 is 2 billion people. According to this, it can be concluded that the birth rate is higher than the death rate because the population has a growth trend, which indicates that more people are born than die.
why is it impossible to eradicate malaria
what carbon compound stores energy for the cell and sometimes provides structural support
Answer:
Carbohydrates
Explanation:
Carbohydrates are a group of macromolecules that are a vital energy source for the cell, provide structural support to many organisms, and can be found on the surface of the cell as receptors or for cell recognition.
Answer:
Carbohydrates
Explanation:
NOT A QUIZ: 10 POINTS!
Answer:
a. (black fur): phenotype
b. (AA, Aa, aa): genotypes
c. (Aa): heterozygous
d. (aa): hom0zygous recessive
e. (AA): hom0zygous dominant
Explanation:
an iron ball is heated from 50 degree celsius to 2000 degree celsius. what is the state of the iron ball at 2000 degree celsius
Answer:
It is in liquid state loosing it's magnetic property
Explanation:
Iron melts at 1538 °C after loosing it's magnetic property at 770 °C
If an iron ball is heated from 50 degree celsius to 2000 degree celsius. The state will be liquid state as it is loosing it's magnetic property
what is magnetic property of a matter ?The magnetism property is defined as the force exerted by magnets by either attracting or repulsing each other.
In a magnetic field of a matter, two important basic particles are the magnetic moments and the electric currents. It is depend on pressure, temperature, and the applied magnetic field.
Magnetic materials are up three types such as diamagnetic, paramagnetic and ferromagnetic.
Two Sources of magnetism are electric current and Spin magnetic moments of elementary particles.
The behavior of magnetic material is completely depend on its structure, electron configuration.
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which of the following would not regulate genes in a eukaryote
Explanation:
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ugpiypifky8yfyltfiifynfojcljvgjñoyguuprupfyococpg9ugygvojjjjjjkdkpsksmkjejuu ksjwue1.scientist solve problem in an organised way called ________
2.amoeba move or feed with ________
3.nucleus was first discovered by ________
4. creation of the something new called _______
5. longest cell is________
Answer:
1. Scientific method
2. pseudopods
3. In 1909, Ernest Rutherford’s
4. innovation
5. nerve cell
what are the two characteristics of Pine due to which it is not placed under sub division angiosperms
Answer:
The angiosperms, or flowering plants, are the largest and most species-rich phylum of plants, with more than 250,000 species estimated.
Defining Characteristics
The term "angiosperm" derives from two Greek words: angeion, meaning "vessel," and sperma, meaning "seed." The angiosperms are those plants whose seeds develop within a surrounding layer of plant tissue, called the carpel, with seeds attached around the margins. This arrangement is easily seen by slicing into a tomato, for example. Collectively, carpels together with the style and stigma are termed the ovary, and these plus associated structures develop into the mature
Explanation:
reasons for classifying organisms
Answer:
To be able to sort them into different groups
Các tuyến nào sau đây được gọi là các tuyến pha?
Answer:
tuyến tụy, tuyến sinh dục
Explanation:
Validity of an experiment is based upon:
Answer:
it is based upon the correlation between the results of your measurements and the results of the criterion measurement.
I hope this helps
An example of a density-independent factor that affects a population's growth is Select one: a. insects eating your tomato plants. b. your tomato plants competing for water. c. a fungus infecting your tomato plants. d. frost killing all of your tomato plants. e. All answers are correct.
Answer:
The correct answer is - D. frost killing all of your tomato plants.
Explanation:
Density independent factors are the factors that are limiting factor that are affects the size of population of the living beings without being affected by density of population. In such factors density of population does not play any role or affect the size of population.
In the given option other than frost all are density dependent factors affecting size of population.
11
Select the correct answer.
Which part of an atom has most of its mass?
A.
electrons
B.
neutrons
Oc.
nucleus
OD.
protons
Reset
Answer:
C NUCLEUS
Most of an atom's mass is in the nucleus—a small, dense area at the center of every atom, composed of nucleons. Nucleons include protons and neutrons. All the positive charge of an atom is contained in the nucleus, and originates from the protons.
