L16 - Carbohydrate Metabolism 1.4

Question 1

What are the 2 sources of Acetyl CoA entering the TCA cycle?

Answer 1

Acetyl CoA entering the cycle can come from several sources:

• from glucose metabolism via pyruvate
• from fatty acid oxidation

Question 2

For every 1 Acetyl CoA that enters the TCA cycle, how many ATP are produced?

Answer 2

12

Question 3

In eukaryotic cells where does the TCA cycle take place?

Answer 3

In eukaryotic cells it takes place in mitochondria