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Questions and Answers
Which enzyme decarboxylates pyruvate to form acetyl molecule?
Which enzyme decarboxylates pyruvate to form acetyl molecule?
- Dihydrolipoyl transacetylase (E2)
- Dihydrolipoyl dehydrogenase (E3)
- Thymine pyrophosphate (TPP)
- Pyruvate dehydrogenase (E1) (correct)
What is the role of dihydrolipoyl transacetylase (E2) in pyruvate oxidation?
What is the role of dihydrolipoyl transacetylase (E2) in pyruvate oxidation?
- Reducing FAD into FADH2
- Oxidizing dihydrolipoyl into lipoamide
- Transferring acetyl into a lipoamide molecule (correct)
- Decarboxylating pyruvate to form acetyl molecule
What is the product of the oxidation of 1 pyruvate molecule?
What is the product of the oxidation of 1 pyruvate molecule?
- 2 Acetyl CoA, 2 CO2, 2 NADH
- 1 Acetyl CoA, 1 CO2, 2 NADH
- 1 Acetyl CoA, 2 CO2, 1 NADH
- 1 Acetyl CoA, 1 CO2, 1 NADH (correct)
What does dihydrolipoyl dehydrogenase (E3) oxidize into lipoamide?
What does dihydrolipoyl dehydrogenase (E3) oxidize into lipoamide?
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Which coenzyme is used to reduce NAD+ into NADH in pyruvate oxidation?
Which coenzyme is used to reduce NAD+ into NADH in pyruvate oxidation?
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