Which Statement About Cholesterol Synthesis Is TRUE

question 67

Multiple Choice

Which statement 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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