GATE BT 2013 • Q13 MCQ • 1 Mark

Section 2: General Biotechnology

Biomolecules, enzyme kinetics

Subtopic: Fundamentals of Biomolecules, enzyme kinetics

Question Statement:

The catalytic efficiency for an enzyme is definedas (A) kcat (B) ௏೘ೌೣ ௞೎ೌ೟ (C) ௞೎ೌ೟ ௄೘ (D) ௞೎ೌ೟ ௏೘ೌೣ

Options:

  • (A) kcat
  • (B) ௏೘ೌೣ ௞೎ೌ೟
  • (C) ௞೎ೌ೟ ௄೘
  • (D) ௞೎ೌ೟ ௏೘ೌೣ

Official Answer Key:

C

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE BT 2013 Q.13)** **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: *"The catalytic efficiency for an enzyme is definedas..."* - **Option (C) [CORRECT]**: *"௞೎ೌ೟ ௄೘"* - Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required. - **Option (A) [INCORRECT]**: *"kcat"* does not satisfy the precise boundary conditions or molecular specificity. - **Option (B) [INCORRECT]**: *"௏೘ೌೣ ௞೎ೌ೟"* does not satisfy the precise boundary conditions or molecular specificity. - **Option (D) [INCORRECT]**: *"௞೎ೌ೟ ௏೘ೌೣ"* 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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