Answer:
Prokaryotic Cell Eukaryotic cell
Mitochondria absent Mitochondria present
Cytoskeleton absent Cytoskeleton present
Ribosomes smaller Ribosomes larger
Explanation:
two types of cells are found in the organisms: eukaryotic and prokaryotic depending on whether cells contain membrane-bound organelles or not.
what are the two functional parts of a tRNA
Answer: Transfer RNAs are coded by a number of genes, and are usually short molecules, between 70-90 nucleotides (5 nm) in length. The two most important parts of a tRNA are its anticodon and the terminal 3’ hydroxyl group, which can form an ester linkage with an amino acid.
Explanation:
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Answer:
A is correct:)
Scientists are examining different sea floor structures like those in the model of the Earth's crust below.
The distance between X and Y represents thousands of kilometers of distance on Earth. The scientists notice that the rocks located at point X are older than the rocks located at point Y. What does this information about the age of the rocks indicate to the scientists?
A.
There is an underwater volcano producing new rock at point X.
B.
The sea floor is moving from Y to X over the course of millions of years.
C.
New rock is constantly covering old rock on the ocean floor.
D.
The sea floor is moving from X to Y over the course of millions of years.
Answer:
C.) The sea floor is moving from Y to X over the course of millions of years.
Explanation:
Landscapes all over the world are always flat - it's called
Answer:
Desert, Plain, Taiga, Tundra, Wetland, Mountain, Mountain range, Cliff, Coast, Littoral zone, Glacier, Polar regions of Earth, Shrubland, Forest, Rainforest, Woodland, Jungle, Moors.
Explanation:
Answer:
a plain
Explanation:
How might having lots of different vegetation species lead to a greater biodiversity in animals?
Answer:
different vegetation attracts other species around the area for food, creating biodiversity among animals
Explanation:
Help please I’m doing the test. Am I right?
What is common between these two pictures? Describe it in short.
Answer:
Eustachian Tube
Explanation:
Eustachian tube is the structure that connects the throat to middle ear. It performs an important role in the balancing of air pressure across the both sides and prevent from fluids building up in the ear.
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Hope this helped!
~AH1807The thing which is common between these two pictures is:
The Eustachian Tube
From the given image, we can see that there is image of ear and mouth and we can see that the outer ear is visible, while the mouth is wide open and we can see the interiors.
With this in mind, we can see that the Eustachian Tube is the structure which links the throat and ear and this performs the important function of regulating the air pressure that gets into the organs.
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Two students were having a discussion about viruses. Student A believes viruses are not living organisms. Student B believes viruses are living organisms. Which student is correct and why?.
Answer:
Dois alunos estavam discutindo sobre vírus. O aluno A acredita que os vírus não são organismos vivos. O aluno B acredita que os vírus são organismos vivos. Qual aluno está correto e por quê?
Explanation:
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A submicroscopic virulent agent that infects animals, plants, bacteria etc. is called viruses. They are capable of copying inside host cells only. Viruses cause many diseases in animals and plants.
The correct discussion is:
Student A believes that viruses are not living organisms.
The student's statement can be explained as:
The virus is not capable of reproducing on its own without a host system. Therefore they cannot fit in the definition of a living organism. They just have a genetic material encapsulated in protein coats and do have defined cell structures, unlike prokaryotes and eukaryotes.Therefore, viruses are not contemplated to be living.
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The lab that tested the water initially determined that the water quality grew worse between 2005 and
2007. Based on your observations do you agree or disagree with their findings? Why?
Answer:
Most water systems test for lead as a regular part of
water monitoring. These tests give a system-wide
picture, but do not refl ect conditions at a specifi c
household faucet.
If you want to know if your home’s drinking water
contains unsafe levels of lead, have your water tested.
Testing is the only way to confi rm if lead is present or
absent.
Some faucet and pitcher fi lters can remove lead from
drinking water. If you use a fi lter to remove lead, be
sure you get one that is certifi ed to remove lead by NSF
International.
Which part of cell division is different in plant and animal cells?
Answer:
plant cells form the cell plate in between the two daughter cells in mitosis,
Below is an image of a family tree (first generation) showing a group of mice. A dark gray mouse and a white mouse had four offspring, some had white fur, while others had dark gray fur. Use the image below to help you answer the following questions. Which of the following descriptions about the parents is most likely true?
A Their gene combinations for the fur color trait are the same.
B Their gene combinations for the fur color trait are different.
C Their gene combinations for the fur color trait depend solely on the environment.
D Their gene combinations for the fur color trait do not affect their offspring.
Answer:
I believe the answer is B.
within the oral cavity, both mechanical and chemical ________ begin.
Answer:
digestion
Explanation:
there is no explanation
What is the correct sequence in the transmission of a neural impulse?
Answer:
A nerve impulse begins when a neuron receives a chemical stimulus. The nerve impulse travels through the axon membrane as an electrical action potential to the axon terminal. The axon terminal releases neurotransmitters that carry the nerve impulse to the next cell
Explanation:
and i'm mexican
Which parts of a plant or animal contain the genetic information for characteristics like this?
All plants and animals are made up of cells where the genetic material can be found in the form of genes and chromosomes (usually in the nucleus).
A commercial on television advertises a new medicine to boost immunity. Which source is least likely to provide accurate information?
a popular culture magazine
the studies that the television ad cites
a brochure from the doctor’s office
the Food and Drug Administration’s website
Answer:
a popular culture magazine
Explanation:
magazines can be filled with unreliable and false gossip and it's not all accurate.
Answer:
A. a popular culture magazine
Explanation:
got it right on edge :)
magine a white bug and a brown bug on a brown rock. Which bug do you think a bird would most likely try to catch? Explain your choice.
white
Explanation:
the white bug is lighter so the bird will most likely to go for it
explain the correlation between solar radiation and kelp biomass.
Given what we know, we can confirm that although sunlight is beneficial to plant growth, intense solar radiation has been proven to be detrimental to the survival of kelp, thus reducing its biomass.
How does solar radiation affect kelp?Solar radiation is not harmful in very low amounts.
However, when exposed at long intervals or high intensity, it has been shown to cause tissue damage.
This tissue damage will inhibit the kelp's ability to undergo photosynthesis.
This means it will not be able to grow, and its biomass will be reduced.
Therefore, given the effect of solar radiation in damaging the kelp's ability to photosynthesize and thus reducing its growth, we can confirm that intense or prolonged exposure to solar radiation reduces kelp biomass.
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Question A mouse population that is originally white in color becoming darker in color after several generations is an example of ________ selection.
A mouse population that is originally white in color becoming darker in color after several generations is an example of natural selection.
What do you mean by natural selection?Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.
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The basic equation for photosynthesis using the names of the molecules involved. Identify the products and reactants is light a product or reactant? If not what does it apply to the equation? I NEED HELP!
Explanation:
e..................... ...........
What are the 3 basic components of an offense? What does this mean? Plz just tell me the answer I’m getting aggravated that people just gives me the links.
Answer:
fractions, misdemeanors, and feloniestion
Explanain
I hope you meant offense as in crime if not sorry
Answer:
first, the act or conduct second, the individual's mental state at the time of the act and third,
Explanation:
In general, every crime involves three elements: first, the act or conduct second, the individual's mental state at the time of the act and third, the causation between the act and the effect (typically either "proximate causation" or "but for causation"). hope this helps
Which THREE statements describe how the models of mitosis and meiosis demonstrate genetic continuity?
Chromosomes are divided up evenly during Anaphase (Anaphase I of meiosis), ensuring that the daughter cells will have the correct number to reproduce.
In Interphase the chromosomes have duplicated, indicating that there will be enough genetic material to separate into daughter cells capable of reproduction.
In Prophase (Prophase I and II of meiosis) the spindles form, indicating that the chromosomes will be split evenly, and the daughter cells will receive the appropriate amount of genetic material.
In Metaphase (Metaphase II of meiosis) the chromosomes are lined up properly, indicating that the chromatids will separate evenly and provide the daughter cells with equal amounts of genetic material.
In Telophase (Telophase II of meiosis) the amount of chromatin present is equal to the amount present during Interphase, indicating that the daughter cells will receive the same amount of genetic material as the parent cell.
Answers: A,B,D
Explanation: :I took the test and got this question right .
The three statements that describes how the models of mitosis and meiosis demonstrate genetic continuity are listed and explain below.
In Anaphase, chromosomes line up in the middle of the cell while the spindle fibres pulls them apart.
Therefore the statement below about anaphase is correct.
Chromosomes are divided up evenly during Anaphase (Anaphase I of meiosis), ensuring that the daughter cells will have the correct number to reproduce.In interphase, the synthesis of DNA occurs where the chromosomes replicates forming two identical copies of DNA.
That is, the cell now has 92 chromosomes which is enough DNA for two cells.
Therefore the statement below about interphase is correct.
In Interphase the chromosomes have duplicated, indicating that there will be enough genetic material to separate into daughter cells capable of reproduction.In the prophase, the mitotic apparatus appears; this consists of two centrioles separated by the mitotic spindle which is formed from microtubules.
The formation of these mitotic spindle fibres indicates that the chromosomes will be split evenly.
Therefore the statement below about prophase is correct.
In Prophase (Prophase I and II of meiosis) the spindles form, indicating that the chromosomes will be split evenly, and the daughter cells will receive the appropriate amount of genetic material.Learn more here:
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To read signs, you need to have good ________ . focal vision peripheral vision paracentral vision double vision
To read signs, one needs good peripheral vision. The capacity to see things that are beyond of one's direct line of sight is known as peripheral vision. It is the capacity to perceive things that are beyond of one's direct field of vision.
Because it enables a person to perceive items that are situated at the boundaries of their peripheral vision, this form of vision is crucial for reading signs.
For instance, it's crucial to be able to understand signs that are placed along the side of the road when driving. A person might not be able to see the signs and might miss crucial information without adequate peripheral vision. Aside from peripheral vision, clear focus vision is crucial for reading.
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what do the letters in the acronym pmat stand for?
PMAT acronym stand for four phases of mitosis prophase, metaphase, anaphase, and telophase.
What is PMAT?PMAT has been known as an acronym that is used for a transporter protein Plasma membrane monoamine transporter as well as the four stages of the mitosis cell cycle. On the basis of the reference given in the form of an image, it is most like the four stages of mitosis are Prophase, Metaphase, Anaphase, and Telophase.
Prophase is the first stage of mitosis and followed by the metaphase, anaphase, and ends with telophase. Telophase is followed by cytokinesis. On the basis of the reference given in the form of an image, it is most like the four stages of mitosis are Prophase, Metaphase, Anaphase, and Telophase.
Therefore, PMAT acronym stand for four phases of mitosis prophase, metaphase, anaphase, and telophase.
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why is the human brain unique
Answer:
Like with fingerprints, no two people have the same brain anatomy, a study has shown. This uniqueness is the result of a combination of genetic factors and individual life experiences. Like with fingerprints, no two people have the same brain anatomy, a study by researchers of the University of Zurich has shown.
A line graph has a vertical axis labeled "Average plant height (cm)" and a
horizontal axis labeled "Fertilizer (g/plant)." What information is conveyed by
a point plotted with the coordinates (1, 25)? Keep in mind coordinates are
written as (x-coordinate, y-coordinate).
60
40
Average plant height (cm)
30
10
Fertilizer (g/plant)
A. The average height of plants given 1 g of fertilizer was 25 cm.
B. The range of fertilizer was from 1 g per plant to 25 g per plant.
1
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C. The average height of plants given 25 g of fertilizer was 1 cm.
D. The range of average plant height was from 1 cm to 25 cm.
Answer:
A. The average height of a plant given 1 g of fertilizer was 25 cm.
Explanation:
what’s the 4 monomers our food breaks into during digestion
An individual heterozygous for the IA and IB alleles has a blood type of AB. What type of inheritance pattern is this?
Answer:
Codominiece Blood Pattern
Explanation:
ovulation is induced by a peak in the secretion of
Ovulation starts when the secretion of Luteinizing hormone (LH) peaks in females.
Ovulation is simply the release of eggs from the ovaries of females. It happens as a part of the menstrual cycles of the female gender.
The release of eggs from the ovary is triggered by an acute rise in the level of LH in females. LH in males stimulates the production of testosterone.
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How to pronounce punnet squares?
Answer: puh-net
Explanation:
Explain why carbon dioxide is constantly given off during the Krebs cycle.
Answer:
Hope it helps
Explanation:
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Glycolysis and the citric acid cycle both produce carbon dioxide, which is a crucial byproduct (Krebs cycle). This oxidized carbon is a metabolic waste product that must finally be eliminated through transit to the lungs and subsequent exhalation into the environment.
What is the purpose of Krebs cycle?
Pyruvate is converted into three different products by the Krebs cycle: carbon dioxide, a little quantity of ATP, and the reduced molecules NADH and FADH.
Each acetyl group adds two carbon atoms to the citric acid cycle. On each cycle turn, two carbon dioxide molecules are emitted.
However, these do not include the identical carbon atoms that the acetyl group contributed on that turn of the circuit.
Therefore, carbon dioxide is constantly given off during the Krebs cycle.
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