10 Questions
What is the end product of the breakdown of the 6 carbon atoms in citric acid?
2 molecules of carbon dioxide and a 4-carbon molecule
What molecule is needed to start the reactions of the cycle and is remade with every turn?
ADP
How many molecules of pyruvic acid are produced from 1 molecule of glucose in glycolysis?
2 molecules
How many ATP molecules are produced from each starting molecule of glucose in the Krebs cycle?
2 ATP molecules
What happens to carbon dioxide after it diffuses out of the mitochondria and the cell?
It enters the bloodstream and is exhaled
Which molecules are produced from the breakdown of the 6 carbon atoms in citric acid?
2 molecules of carbon dioxide and a 4-carbon molecule
What happens to ADP during each turn of the Krebs cycle?
It is converted to ATP
What is the end product of glycolysis from 1 molecule of glucose?
2 molecules of pyruvic acid
How many complete turns of the Krebs cycle result from each starting molecule of glucose?
Two complete turns
What happens to NAD+ and FAD in the presence of oxygen?
They are changed to NADH and FADH2, respectively
Krebs Cycle and Glycolysis Quiz: Test your knowledge of cellular respiration and energy production with this quiz on the Krebs Cycle and Glycolysis. Challenge yourself to understand the breakdown of glucose, production of ATP, and the key molecules involved in these metabolic pathways.
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