The cholesterol synthesized by the cells used which component of the glycolytic pathway as a starting point

This question lacks options, options are: A. glucose B. acetyl CoA C. pyruvate D. carbon dioxide. The correct answer is B.

Explanation:

Acetyl-CoA, the substrate for cholesterol synthesis is produced by the catabolism of carbohydrates, fatty acids and certain amino acids. Cholesterol comes from both diet and de novo synthesis from acetyl-CoA, biosynthesis that takes place preferentially in the liver; and to a lesser extent, in the intestine.Acetyl-CoA is converted to mevalonate, mevalonate is converted to squalene through successive reactions of transfer of prenyl groups. Squalene becomes lanosterol. Lanosterol is converted to cholesterol after 21 other successive, enzymatically catalyzed reactions.

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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