10 Questions
Which enzyme catalyzes the formation of Acetyl CoA from pyruvate in the Krebs cycle?
Pyruvate dehydrogenase
How many reactions are there in the Krebs cycle?
7
What is the overall energy yield of the Krebs cycle?
2 ATP
What is the main function of the tricarboxylic acid transporter?
Transport pyruvate into the mitochondria
Which enzyme is responsible for the reduction of NAD+ to NADH in the Krebs cycle?
Malate dehydrogenase
Which of the following is NOT a stage of glycolysis?
Pentose stage
Which enzyme catalyzes the formation of Acetyl CoA from pyruvate in the Krebs cycle?
Pyruvate dehydrogenase
What is the mode of action of each of the PDK and PDP?
PDK inhibits pyruvate dehydrogenase, while PDP activates it
What is the importance of the tricarboxylic acid transporter?
It transports acetyl CoA into the mitochondria
Which of the following is NOT a product of the Krebs cycle?
ATP
Test your knowledge of the Citric Acid Cycle with this quiz by Dr. Joanne Sadier. Learn about the enzymes involved, reactions, energy yields, and mechanisms that target specific molecules. Challenge yourself to recall and calculate key information related to the Krebs cycle.
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