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Multiple Choice
Which of the following reactions is least likely to result in harmful changes to cellular proteins?
A
Oxidation of alcohols to ketones
B
Isomerization of glucose to fructose
C
Hydrolysis of peptide bonds
D
Alkylation of DNA bases
Verified step by step guidance
1
Understand the context of the problem: The question is asking which reaction is least likely to cause harmful changes to cellular proteins. This involves understanding the nature of each reaction and its potential impact on proteins.
Examine the oxidation of alcohols to ketones: This reaction involves the conversion of an alcohol group to a ketone group, which can potentially alter the structure and function of proteins if it occurs on amino acid side chains.
Consider the isomerization of glucose to fructose: This is a rearrangement of atoms within a molecule, specifically converting one sugar to another. This reaction does not directly involve proteins and is a common metabolic process, making it less likely to harm proteins.
Analyze the hydrolysis of peptide bonds: This reaction breaks peptide bonds, which are the links between amino acids in proteins. Hydrolysis of peptide bonds would directly disrupt protein structure, leading to harmful changes.
Evaluate the alkylation of DNA bases: Alkylation involves adding an alkyl group to DNA bases, which can lead to mutations and potentially harmful changes in protein synthesis. This reaction can indirectly affect proteins by altering genetic information.