GATE BT 2015 • Q12 MCQ • 1 Mark

Section 2: General Biotechnology

Cell structure and signaling

Subtopic: Fundamentals of Cell structure and signaling

Question Statement:

Levinthal's paradox is related to

Options:

  • (A) protein secretion
  • (B) protein degradation
  • (C) protein folding
  • (D) protein trafficking

Official Answer Key:

C

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE BT 2015 Q.12)** **1. Governing Concept & Syllabus Classification**: - **Section**: BT - **Question Type**: **MCQ** (1 Mark) - **Core Topic**: Biochemistry, Microbiology & Molecular Biology **2. Detailed Step-by-Step Analytical & Scientific Derivation**: - **Systematic Conceptual & Option-by-Option Evaluation**: - Problem Focus: *"Levinthal's paradox is related to..."* - **Option (C) [CORRECT]**: *"protein folding"* - Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required. - **Option (A) [INCORRECT]**: *"protein secretion"* does not satisfy the precise boundary conditions or molecular specificity. - **Option (B) [INCORRECT]**: *"protein degradation"* does not satisfy the precise boundary conditions or molecular specificity. - **Option (D) [INCORRECT]**: *"protein trafficking Options : --- PAGE 5 --- 1. * A 2. * B 3. 0 C 4. *1 D"* does not satisfy the precise boundary conditions or molecular specificity. **3. Final Answer / Verification Summary**: - **Official GATE Answer Key**: **C** - **Scoring Criteria**: 1 Mark (Negative marking: -0.33 marks).

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