That should be the cell membrane. The cell membrane acts as a filter in and out.
Answer:
mutation
Explanation:
A mutation is a change that occurs in copying a DNA sequence where the order of the proteins could be altered.
When ATP loses a phosphate, energy is released and ADP is formed
A) Crossing over is the mechanism of genetic variation that results from the exchange of gene segments between non-sister chomatids.
<span>one of the special feature of bacterial cells that helps it survive in hostile environment is its : ability to form endospores
Endospores are resistant to chemical, stress, and some form of radiations, which make bacteria abble to survive in the environement</span>
