Answer:
b if wrong sorry
but I am sure answer is b
Please state your full question next time.
When Oxygen is not available, the cell is forced to produce energy (=ATP) through ANAEROBIC processes, that produce much less energy (about 15 times less), than AEROBIC processes. ... The electron transport chain (ETC) allows the cell to produce energy (ATP) by creating a proton gradient across the mitochondrial membrane. So B.
Answer: Direct repair
Explanation:
The direct repair of the thymine dimer occurs through the process known as Photoreactivation in the presence of the visible light.
An enzyme known as photolyase recognizes the distortion that is present in the DNA helix, caused by thymine dimer.
This is a type of DNA repair mechanism which is used repair thymine.
