2. Cellular Respiration - Citric Acid Cycle

Question 1

What is stage 1 of the citric acid cycle? Pyruvate is broken down in to…

Answer 1

an acetyl group that combines with enzyme A

Question 2

What is stage 2 of the citric acid cycle? This is transferred to the citric acid cycle as…

Answer 2

acetyl coenzyme A

Question 3

In stage 3, the acetyl group from coenzyme A…

Answer 3

combines with oxaloacetate to form citrate

Question 4

In stage 4 there is a series of enzyme mediated steps

Answer 4

1. Some generation of ATP
2. dehydrogenase enzymes remove hydrogen and associated high-energy electrons
3. release of carbon dioxide
4. regeneration of oxaloacetate in matrix of mitochondria