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Biosynthesis of steroids begins with:
  • a)
    Methylation of a sesquiterpene
  • b)
    Binding of pyrophosphate to a terpene
  • c)
    Generation of a sterol
  • d)
    Binding of two terpene groups
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Biosynthesis of steroids begins with:a)Methylation of a sesquiterpeneb...
The biosynthesis of steroids does involve the binding of pyrophosphate to a terpene molecule. Terpenes are a class of compounds derived from the precursor isoprene units, and they serve as building blocks for the synthesis of various organic compounds, including steroids.
During the biosynthesis of steroids, isopentenyl pyrophosphate (IPP), a terpene precursor, undergoes condensation reactions with other molecules to form larger terpene units. These terpene units are then combined with pyrophosphate, resulting in the binding of pyrophosphate to a terpene. This step is essential for the subsequent enzymatic modifications and cyclization reactions that ultimately lead to the formation of sterols, such as lanosterol and cholesterol.
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