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Questions and Answers
What is the rate-limiting step in the TCA cycle?
What is the rate-limiting step in the TCA cycle?
- Oxidative decarboxylation by α-KGDH
- Oxidative decarboxylation by IDH (correct)
- Entry of intermediates into the TCA cycle
- Synthesis of porphyrin
Which of the following are IDH (+) activators?
Which of the following are IDH (+) activators?
- ATP and NADH
- NAD+ and NADP+
- ADP and Ca2+ (correct)
- NAD+ and Ca2+
What are the IDH (-) inhibitors?
What are the IDH (-) inhibitors?
- NAD+ and Ca2+
- ATP and NADH (correct)
- NAD+ and NADP+
- ADP and Ca2+
Which enzyme carries out the 2nd oxidative decarboxylation in the TCA cycle?
Which enzyme carries out the 2nd oxidative decarboxylation in the TCA cycle?
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What is the metabolic branch point in which intermediates enter or exit the TCA cycle?
What is the metabolic branch point in which intermediates enter or exit the TCA cycle?
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What is the starting point for the synthesis of heme?
What is the starting point for the synthesis of heme?
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How many IDH enzymes are there in the TCA cycle?
How many IDH enzymes are there in the TCA cycle?
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