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pashok25 [27]
3 years ago
14

During the process of meiosis, chromosomes replicate A) once, during interphase I. Eliminate B) once, during interphase II. C) t

wice, during prophase I and II. D) twice, during interphase I and II.
Biology
1 answer:
8090 [49]3 years ago
4 0

Answer:

A) once, during interphase I

Explanation:

Although meiosis has two phases, the chromosome replicate only once during interphase I. The DNA material replicates and cell builds up enough energy stores to drive the process through. Other events that occur during interphase are formation of new organelles including centrioles.

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An analysis of a cell indicated a high lipid content in the membranes, a high protein content in the vesicles being mobilized an
Anon25 [30]

The option that best illustrates the similarity and difference in the elemental makeup of these molecules is that carbohydrates and lipids both contain carbon, hydrogen, and oxygen atoms, while the proteins contain nitrogen in addition to those three elements. That is option B.

Carbohydrates are macromolecule found is food substances that plays a vital role of energy supply to the body.

It is made up of chemical elements such as carbon,hydrogen and oxygen in the ratio of 1:2:1.

Lipid is another macromolecule found in food which is an energy reserve for the body.

Lipids are made up of elements seen in carbohydrates such as carbon, hydrogen and oxygen but contain many more hydrogen atoms than oxygen atoms.

Proteins are another type of macromolecule found in food which helps in body building and repair of worn out tissues.

Proteins are made up of elements seen in carbohydrates and lipids with the addition of nitrogen atom.

Therefore, carbohydrates and lipids both contain carbon, hydrogen, and oxygen atoms, while the proteins contain nitrogen in addition to those three elements.

Learn more about proteins here:

brainly.com/question/10058019

5 0
2 years ago
This seems really pity I know, but my biology course reading doesn't help answer these questions whatsoever- at least not in a w
blsea [12.9K]

Answer:

1. D- Within cultures that rely on milk-producing animals, individuals who tolerated lactose had a survival advantage.

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7 0
3 years ago
Two organelles and describe how they work together to provide for the cell. 
Mrac [35]
The Endoplasmic reticulum is a series of pipes and it moves in the cell. Without the E.R., the protein factory (ribosomes) would not be able to ship the proteins and cells would starve to death. Hope this helped!
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sergiy2304 [10]

Answer:

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Explanation:

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6 0
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Which of the following is an example of an organism maintaining
Romashka [77]

Answer:

Shivering to generate heat on a cold day

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The body reacts to create a stable internal environment.

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