Which Compound Is NOT an Intermediate in the Synthesis of Lanosterol

question 96

Multiple Choice

Which compound is NOT an intermediate in the synthesis of lanosterol from acetyl-CoA?

• A) isopentenyl pyrophosphate
• B) malonyl-CoA
• C) mevalonate
• D) squalene
• E) \(\beta\)-hydroxy-\(\beta\)-methylglutaryl-CoA (HMG-CoA)

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Definitions:

Adenine

One of the four nucleobase molecules used in forming nucleotides of the nucleic acids DNA and RNA; it pairs with thymine in DNA and with uracil in RNA.

Thymine

A nitrogenous base found in DNA, paired with adenine, and is one of the four nucleotide bases in DNA.

Nucleosomes

Fundamental subunits of chromatin, composed of a segment of DNA wound around a core of histone proteins, facilitating DNA packing in the cell nucleus.

Histones

Proteins that package and order DNA into structural units called nucleosomes, playing key roles in gene regulation.