Bio 400 Exam Questions and
Answers 100% Pass
______ produces pyruvate - CORRECT ANSWER-glycolysis
The multienzyme complex _______ catalyzes the oxidative _______ of pyruvate
to yield carbon dioxide and acetyl CoA. - CORRECT ANSWER-pyruvate
dehydrogenase (PDH)
decarboxylation
equation for this reaction is - CORRECT ANSWER-pyruvate+CoA+NAD+
--> acetyl CoA +NADH+H++CO2
Acetyl CoA is the main form in which carbon compounds enter the - CORRECT
ANSWER-citric acid cycle
Conversion of pyruvate into acetyl CoA - CORRECT ANSWER-decarboxylation
oxidation
acetyl transfer
, E1 - CORRECT ANSWER--pyruvate dehydrogenase
-thiamine pyrophosphate (TPP or TDP)
-hydroxyethyl group transferred to lipoamide
-catalyzes the decarboxylation of pyruvate to form acetyllipoamide
E2 - CORRECT ANSWER--dihydrolipoyl transacetylase
-lipoamide
-transfer of acetyl group to form coenzyme A
E3 - CORRECT ANSWER--dihydrolipoyl (dihydrolipoamide) dehydrogenase
-FAD
-transfer of electron to FAD and then to NAD+
-regnerates the active transacetylase
coenzyme proesthetics - CORRECT ANSWER-TPP, FAD, lipoamide
catalytic coenzymes - CORRECT ANSWER-TPP, lipoic acid, FAD, regenerated
stoichiometric coenzymes - CORRECT ANSWER-coenzyme A, NAD+, used
once
which enzyme produce NADH as a product? - CORRECT ANSWER--malate
ehydrogenase
-alpha ketoglutarate dehydrogenase
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Answers 100% Pass
______ produces pyruvate - CORRECT ANSWER-glycolysis
The multienzyme complex _______ catalyzes the oxidative _______ of pyruvate
to yield carbon dioxide and acetyl CoA. - CORRECT ANSWER-pyruvate
dehydrogenase (PDH)
decarboxylation
equation for this reaction is - CORRECT ANSWER-pyruvate+CoA+NAD+
--> acetyl CoA +NADH+H++CO2
Acetyl CoA is the main form in which carbon compounds enter the - CORRECT
ANSWER-citric acid cycle
Conversion of pyruvate into acetyl CoA - CORRECT ANSWER-decarboxylation
oxidation
acetyl transfer
, E1 - CORRECT ANSWER--pyruvate dehydrogenase
-thiamine pyrophosphate (TPP or TDP)
-hydroxyethyl group transferred to lipoamide
-catalyzes the decarboxylation of pyruvate to form acetyllipoamide
E2 - CORRECT ANSWER--dihydrolipoyl transacetylase
-lipoamide
-transfer of acetyl group to form coenzyme A
E3 - CORRECT ANSWER--dihydrolipoyl (dihydrolipoamide) dehydrogenase
-FAD
-transfer of electron to FAD and then to NAD+
-regnerates the active transacetylase
coenzyme proesthetics - CORRECT ANSWER-TPP, FAD, lipoamide
catalytic coenzymes - CORRECT ANSWER-TPP, lipoic acid, FAD, regenerated
stoichiometric coenzymes - CORRECT ANSWER-coenzyme A, NAD+, used
once
which enzyme produce NADH as a product? - CORRECT ANSWER--malate
ehydrogenase
-alpha ketoglutarate dehydrogenase
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
