The Krebs cycle: A) Uses glucose B) Is part of anaerobic glycolysis C) Is part of aerobic glycolysis D) Consumes ATP and produces CO2 E) Produces GTP, NADH, and CO2
Question
The Krebs cycle:
A) Uses glucose B) Is part of anaerobic glycolysis C) Is part of aerobic glycolysis D) Consumes ATP and produces CO2 E) Produces GTP, NADH, and CO2
Solution
The Krebs cycle:
A) Does not directly use glucose. It uses Acetyl CoA, which is a product of the breakdown of glucose during glycolysis.
B) Is not part of anaerobic glycolysis. Anaerobic glycolysis occurs when there is not enough oxygen available for the Krebs cycle and electron transport chain to occur.
C) Is part of aerobic glycolysis. Aerobic glycolysis refers to the breakdown of glucose in the presence of oxygen, which includes the processes of glycolysis, the Krebs cycle, and the electron transport chain.
D) Does not consume ATP. Instead, it produces ATP (or GTP in some organisms) along with NADH and FADH2, which are used in the electron transport chain to produce more ATP.
E) Produces GTP (which can be converted to ATP), NADH, and CO2. The CO2 is a waste product that is exhaled, while the GTP and NADH are used to produce more ATP.
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