Which of These Statements About Cholesterol Synthesis Is True

question 4

Multiple Choice

Which of these statements about cholesterol synthesis is true?

• A)Cholesterol is the only known natural product whose biosynthesis involves isoprene units.
• B)Only half of the carbon atoms of cholesterol are derived from acetate.
• C)Squalene synthesis from farnesyl pyrophosphate results in the release of two moles of PP_i for each mole of squalene formed.
• D)The activated intermediates in the pathway are CDP-derivatives.
• E)The condensation of two five-carbon units to yield geranyl pyrophosphate occurs in a "head-to-head" fashion.

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