A researcher perfectly and completely chemically hydrolyzes a single purified molecule of a strictly — Biomolecules Chemistry Question
Question
A researcher perfectly and completely chemically hydrolyzes a single purified molecule of a strictly linear decapeptide back down entirely into its constituent free amino acid monomers. Precisely how many individual molecules of water are stoichiometrically consumed in this complete degradation?
Answer: B
💡 Solution & Explanation
A completely linear decapeptide is composed of 10 amino acid residues covalently linked sequentially by exactly 9 internal peptide (amide) bonds. The stoichiometric hydrolysis of each specific peptide bond breaks it by irreversibly consuming precisely 1 molecule of $H_2O$. Thus, 9 water molecules are mandated.
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