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11111nata11111 [884]
3 years ago
9

Besides supporting and protecting a cell, the cell membrane _______ what enters and

Biology
1 answer:
frutty [35]3 years ago
8 0
Controls. The answer is “controls”
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What is the function of mitochondria in cells?
ivolga24 [154]

Answer:

B. Producing Energy

Explanation:

Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell.

8 0
3 years ago
In dim light the iris ___ and the pupil gets bigger in bright light, the iris expands and the pupil gets smaller. ​
Orlov [11]

Explanation:

in dim light the iris contract ,the the pupils widens to allow more light to enter the eye,in bright light the iris relaxes and size of pupil becomes smaller to reduce amount of light entering the eye. NOTE: the muscle do not expand they either contract and relaxes

6 0
3 years ago
Which of the following regarding the Ames test is true?
sveticcg [70]

Answer:

Option (2).

Explanation:

Ames test is used to identify the mutageneicity of the compound. The bacteria are treated with chemicals in the nutritive environment to determine whether the substance can acts as a mutagen or not.

The bacteria that can restore the biosyntheic activity in the environment can be considered as mutagen. The mutant bacteria can be easily identified in the Ames test.

Thus, the correct answer is option (2).

8 0
3 years ago
How are gymnosperms in category gnetophyta usually pollinated?
boyakko [2]
The answer would be A
3 0
3 years ago
If 32% of a DNA molecule consists of thymine, what percentage must there be of the other bases? Show calculations or explain you
Vitek1552 [10]
Thymine pairs with adenine so adenine is 32% also. Then we have cytosine and guanine left and 100-32 is 68 so therefore both cytosine and guanine are 68%.
4 0
3 years ago
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