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german
3 years ago
6

Which of the following best describes how the cells formed during mitosis compare to the cells formed during meiosis? Mitosis pr

oduces four genetically identical cells, while meiosis produces two genetically different cells. Mitosis produces two genetically different cells, while meiosis produces four genetically identical cells. Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells. Mitosis produces four genetically different cells, while meiosis produces two genetically identical cells.
Biology
2 answers:
Contact [7]3 years ago
6 0
The third one is correct. Mitosis creates two identical cells. Meiosis creates four different cells.
RSB [31]3 years ago
3 0

Answer:

Mitosis produces two genetically identical cells, while meiosis produces four genetically different cells.

Explanation:

Mitosis and Meiosis are both kinds of cellular division that occurs in all living cells, however, they are used for different purposes. Mitosis is a type of cell division that produces two daughter cells that are identical to the parent cell. They are identical in the sense that they contain same alleles of the same genes as the parent cells. It is usually used for growth, repair or REPRODUCTION in asexually-reproducing organisms.

On the other hand, meiosis is a type of cell division that results in four daughter cells with each having a reduced number of chromosomes as the parent cell (by half). It is employed by only sexually reproducing organisms to produce gametes. Meiosis occurs in a two-step division process resulting in 4 daughter cells. Meiosis increases genetic variation among species by producing gametes that are genetically different from the parent cell. This is achieved by a process called CROSSING-OVER, peculiar to meiosis, where chromosome segments are exchanged between homologous chromosomes (non-sister chromatids).

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The treelike fibers that receive information and send it toward the neuron's cell body are called ____
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The treelike fibers that receive information and send it toward the neuron's cell body are called Dendrite

Explanation:

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3 years ago
Under anaerobic conditions, such as intense exercise, pyruvate is converted to ____________ . This 3-carbon molecule travels thr
stiv31 [10]

Answer:

Under anaerobic conditions, such as intense exercise, pyruvate is converted to <u>lactate.</u> This 3-carbon molecule travels through the blood to the liver, where it can be converted to glucose by the <u>cori cycle.</u>

Under aerobic  conditions, pyruvate enters the mitochondrion, where it is converted to <u>acetyle CoA . </u>This 2-carbon molecule goes on to participate in a series of oxidative reactions called the <u>Citric acid cycle.</u>

Explanation:

In the question ,among the given 6 options ,the simplest way to find the answer can be ,to find either the option is aerobic (presence of free oxygen ) or anaerobic (lack of  free oxygen). Among the options , glucose is an incorrect option as it is a carbohydrate and used in respiration process .In aerobic process ,the glucose can be break down but in anaerobic ,it can only be used.

Other option is ATP- ATP is the energy source of the cell and used for storing energy or reactions of the cell,thus this option do not belong to the given question.

thus its clear the rest four options are the answer .

among four two options belong to aerobic and the rest two are anaerobic.

<u>Under anaerobic conditions-</u>

The pyruvate is converted into lactate because under the absence of oxygen only the NAD+ can be regenerated, thus further can allow glycolysis.

The cori cycle is also called lactic acidic cycle, thus this cycle is a metabollic pathway produced by anaerobic glycolysis (which takes place by regeneration of NAD+)transporting the molecules from blood to liver and  further converting to glucose

<u>Under aerobic conditions,-</u>

The pyruvate is converted into <u>Acetyle CoA </u>so as to further produce <u>citric acid  </u>and then citric acidic cycle. Thus Acetyle CoA forms more ATP which help in the regeneration of NAD+ and production of citric acid cycle takes place.

<em>HENCE , The correct options are - </em><u>lactate </u>  <u>cori </u>  <u>acetyle CoA </u>  <u>citric acid.</u>

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