Krebs Cycle

Practice Questions

MCAT Biology › Krebs Cycle

Questions
8
1

Acetyl-CoA is a react in the citric acid cycle, while and are products. If twelve molecules of are produced over a period of time, how many molecules are produced during this period?

2

If the Krebs cycle is overstimulated, the body will produce too much of which of the following molecules?

3

Within the Krebs cycle, L-malate and NAD+ come together to form oxaloacetate, NADH, and H+. What type of chemical reaction is responsible for this step in the cycle?

4

During cellular respiration, where is NADH produced?

5

Cellular respiration is the set of metabolic reactions that occur in cells to produce energy in the form of ATP. During cellular respiration, high energy intermediates are created that can then be oxidized to make ATP. During what stage are these intermediates produced?

6

Where is the Krebs cycle carried out in eukaryotic cells?

7

Which statement is false regarding the citric acid cycle?

8

James took a neural sample and separated the cell body from the axon. He noticed that when he placed both parts on a glucose plate, the cell body began releasing carbon dioxide. What could explain the result?

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