SouravAugust 23, 2024

25. The protein in eukaryotes which is subjected to degradation undergoes: (A) phosphorylation (B) carboxylation (C) ubiquitylation (D) methylation

25. The protein in eukaryotes which is subjected to degradation undergoes:
(A) phosphorylation
(B) carboxylation
(C) ubiquitylation
(D) methylation

SouravAugust 23, 2024

Answer

Answer: (C) ubiquitylation
Explanation: In eukaryotes, proteins destined for degradation are typically tagged with ubiquitin in a process known as ubiquitylation. This marks them for destruction by the proteasome. Phosphorylation, carboxylation, and methylation are modifications that do not directly target proteins for degradation.

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