Can someone please help me with a few questions?

1. Which stage of respiration can occur in the presence of oxygen but does not require oxygen?
A. glycolysis B. electron transport C. Krebs cycle

2. Respiration _________.
A. releases chemical energy
B. uses the products of photosynthesis
C. breaks down food molecules
D. is essentially the opposite of photosynthesis
E: all of the above
AB. none of the above

Question

Can someone please help me with a few questions?

1. Which stage of respiration can occur in the presence of oxygen but does not require oxygen?
A. glycolysis  B. electron transport  C. Krebs cycle

2. Respiration _________.
A. releases chemical energy
B. uses the products of photosynthesis
C. breaks down food molecules
D. is essentially the opposite of photosynthesis
E: all of the above
AB. none of the above

anonymous · Answer

Of course, find out each of these options A, B & C is Anaerobic or Aerobic reactions, and you have your answer.

2: What do you got so far, and what do you need further help with?

anonymous · Answer

I have no clue what you just said.

anonymous · Answer

I'm not exactly sure, but I think for Q1, the answer is A and for Q2, the answer is E.