Which of the following describes the citric acid cycle?Multiple select question.can only break down carbohydrates, not fats or proteinshydrogen and electrons carried away by NADHreleases carbon dioxide as a waste producta cyclical series of enzymatic reactions
Question
Which of the following describes the citric acid cycle?Multiple select question.can only break down carbohydrates, not fats or proteinshydrogen and electrons carried away by NADHreleases carbon dioxide as a waste producta cyclical series of enzymatic reactions
Solution
The citric acid cycle can be described by the following:
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Hydrogen and electrons carried away by NADH: This is true. In the citric acid cycle, NAD+ is reduced to NADH, carrying away hydrogen and electrons which are later used in the electron transport chain to produce ATP.
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Releases carbon dioxide as a waste product: This is also true. One of the byproducts of the citric acid cycle is carbon dioxide, which is released as a waste product.
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A cyclical series of enzymatic reactions: This is correct. The citric acid cycle, also known as the Krebs cycle or the tricarboxylic acid cycle, is a series of chemical reactions used by all aerobic organisms to release stored energy.
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Can only break down carbohydrates, not fats or proteins: This is false. The citric acid cycle is a key metabolic pathway that unifies carbohydrate, fat, and protein metabolism. The breakdown products of all three macronutrients can enter the cycle.
Similar Questions
Citric acid cycle is a part of cellular respiration that breaks down pyruvic acid, and in the process, releases what? A. Water B. Sugar C. Oxygen D. Carbon dioxide
Select all of the following that are products of the citric acid cycle.Group of answer choicesADPNAD⁺NADHFADFADH₂pyruvateH₂OATPO₂CO₂acetyl CoAglucose
Which statement best describes how the citric acid cycle relates to glycolysis, oxidative phosphorylation, and chemiosmosis?A. Glycolysis produces pyruvate, which directly enters the citric acid cycle. This cycle produces the energy currency that undergoes the electron transport chain to produce water and ATP.B. The citric acid produces pyruvate, which converts to glucose to enter glycolysis. This pathway produces NADH and FADH2, which enter oxidative phosphorylation to produce ATP through chemiosmosis.C. Glycolysis produces pyruvate, which is converted to acetyl-CoA and enters the citric acid cycle. This cycle produces NADH and FADH2, which donate electrons to the electron transport chain to pump protons and produce ATP through chemiosmosis. Production of ATP using an electron transport chain and chemiosmosis is called oxidative phosphorylation.D. Citric acid produces NADH and FADH2, which undergo oxidative phosphorylation. This produces ATP by pumping protons through chemiosmosis. The ATP produced is utilized in large amounts in the process of glycolysis.
How many molecules of carbon dioxide (CO2) would be produced if 2 molecules of Acetyl CoA undergo a citric acid cycle?Group of answer choices48310
Which of the following correctly describes the stereospecific formation of a citric acid cycle intermediate?A.Citrate synthase consumes ATP to generate citrate from oxaloacetate and acetyl-CoA.B.Fumarase converts fumarate into both l- and d-malate through a condensation reaction.C.Succinyl-CoA synthetase consumes GTP to transform succinyl-CoA to succinate.D.Aconitase converts citrate into isocitrate through an intermediate.
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