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Len [333]
3 years ago
7

Which of the following is a reason why cells divide? A. to keep demands on their DNA low B. to mutate their DNA C. to increase t

he volume of their cytoplasm D. to become larger in size
Biology
2 answers:
Goryan [66]3 years ago
6 0

Answer:

The answer is B.

Explanation:

When you skin your knee,  cells divide to replace old, dead, or damaged cells.

LenKa [72]3 years ago
5 0

Answer:

A. To keep demands on their DNA low.

Explanation:

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Organisms that use sunlight to convert carbon dioxide and water into food and oxygen are known as _[blank]_.
Mumz [18]

Answer:

Autotrophs.

Explanation:

Autotrophs may be defined as the organisms that can prepare their own food. The autotrophic organism do not depend on the other organisms for their food.

Plants are considered as autotrophs because they can prepare their own food. The autotrophs uses sunlight to convert the water and carbon dioxide into food and oxygen.

Thus, the correct answer is option (3).

5 0
4 years ago
Which wavelengths of light drive the highest rates of photosynthesis? Select the two best answers.
Lilit [14]

Answer:

  • 400-450 nm
  • 550-700 nm

Explanation:

Chlorophyll pigments (mainly chlorophyll a and b) absorb the red and blue spectrum of visible light in the electromagnetic spectrum for photosynthesis. This is why leaves appear green (and occasionally orange) because this visible light portion is not absorbed. The blue light absorbed by leaves ranges between 400 – 450 nm while the red light ranges between 500 nm and 700 nm.

8 0
3 years ago
What can you conclude about the structure of mitochondria?
rodikova [14]

Answer:

Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate

Explanation:

hope that helped ;/

5 0
3 years ago
Read 2 more answers
Two differences between plant and animal cells? (and why it’s important)
Mama L [17]

Answer:

-Plant cell has a cell wall and animal cell does not.

-Large vacuole present in plant cell and little or no vacuoles present in animal cell.

8 0
3 years ago
In which stage of mitosis do the chromosomes first become very visible?
Dmitriy789 [7]

Answer: prophase

Explanation:

Each chromosome becomes condensed (pact together) which makes it more visible to see it

6 0
3 years ago
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