Welcome to the Quiz!
This quiz contains 10 questions from a mix of 1 subtopics.
Where does the link reaction occur?
endoplasmic reticulum
mitochondrial intermembrane space
cytoplasm
mitochondrial matrix
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Which of the following is NOT a reactant in the link reaction?
pyruvate
NAD
coenzyme A
acetyl coenzyme A
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Which of the following is a product of the link reaction?
acetyl coenzyme A
pyruvate
NAD
coenzyme A
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What does NOT happen to pyruvate during the link reaction?
(Select all that apply)
it is decarboxylated
it is actively transported into the mitochondria
it is carboxylated
it is oxidised
it diffuses into the mitochondria
it is reduced
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Which of the following is NOT a step in the link reaction?
decarboxylation
active transport of pyruvate
reduction of NAD
formation of ATP
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Which of the following is a waste product of the link reaction?
reduced NAD
carbon dioxide
acetyl coenzyme A
pyruvate
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What happens to the hydrogen atoms removed from pyruvate during the link reaction?
they are used to form acetyl coenzyme A
they are used to form reduced NAD
they are released as waste products
they are used to form carbon dioxide
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What is the primary role of coenzyme A in the link reaction?
to bind to acetate, forming acetyl coenzyme A
to remove carbon dioxide from pyruvate
to reduce NAD
to actively transport pyruvate into the mitochondria
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What is the primary role of the coenzyme NAD in the link reaction?
to actively transport pyruvate into the mitochondria
to accept hydrogen atoms and become reduced
to bind to acetate, forming acetyl coenzyme A
to remove carbon dioxide from pyruvate
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What happens to the carbon dioxide produced during the link reaction?
it is actively transported into the cytoplasm
it is used to reduce NAD
it is used to form acetyl coenzyme A
it diffuses out of the mitochondria as a waste product
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