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Which of the following is a product of glycolysis?

A.

Lactate

B.

Carbon dioxide

C.

Pyruvate

D.

Acetyl-CoA

Answer and Explanation

The Correct Answer is C

A. Lactate is produced during anaerobic metabolism (when oxygen is scarce) as a byproduct of glycolysis, but it is not the direct product of glycolysis itself.

B. Carbon dioxide is a byproduct of cellular respiration, specifically during the Krebs cycle, not glycolysis.

C. Pyruvate is the end product of glycolysis, where glucose is broken down into two molecules of pyruvate.

D. Acetyl-CoA is formed from pyruvate during the transition step before the Krebs cycle, not directly from glycolysis.


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Related Questions

Correct Answer is D

Explanation

A. Corpuscle: The corpuscle refers to the glomerulus and Bowman's capsule, not the medial concavity of the kidney.

B. Cortex: The cortex is the outer region of the kidney, not the medial concavity.

C. Medulla: The medulla refers to the inner part of the kidney but not specifically the medial concavity.

D. Hilum: The hilum is the medial concavity of the kidney where blood vessels, nerves, and the ureter enter and exit.

Correct Answer is D

Explanation

A. Estrogen is a hormone involved in the regulation of the menstrual cycle and pregnancy, but it is not the hormone detected by pregnancy tests.

B. Luteinizing hormone (LH) surges just before ovulation but is not the hormone detected by pregnancy tests.

C. Progesterone supports pregnancy by maintaining the uterine lining, but it is not the hormone detected by pregnancy tests.

D. Human chorionic gonadotropin (hCG) is the hormone produced by the placenta shortly after implantation, and it is the hormone detected by pregnancy tests.

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