TCA Acid Cycle

Question 1

All reactions of TCA Cycle occur in…

Answer 1

Mitochondria

Question 2

Malate “shuttles” molecules
Cytosol < > Mitochondria

Answer 2

True

Transfer NADH into mitochodria;
Transfer of oxaloacetate OUT of mitochondria.

Question 3

TCA cycle is inhibited by:

Answer 3

• ATP;
• NADH;
• Acetyl CO A;
• Citrate;
• Succinyl Co A

Question 4

TCA cycle is activated by:

Answer 4

ADP
CA+2

Question 5

What is expected for hepatic levels of acetyl-CoA and oxaloacetate after 24h of fasting state?

Answer 5

Increased Acetyl CO A and Increased Oxaloacetate

Fatty Acids are transformed into Acetyl co A