Subtopic: Fundamentals of Biomolecules, enzyme kinetics
Question Statement:
Match the vitamins in Group I with the processes/reactions in Group II.
Group I Group II
P. Pantothenic acid 1. Electron transport
Q. Vitamin B2 2. Transfer of 1-C units
R. Vitamin B6 3. Decarboxylation
S. Folic acid 4. Fatty acid metabolism
5. Hydrolysis
(A) P-5, Q-2, R-4, S-1 (B) P-4, Q-1, R-3, S-2
(C) P-4, Q-2, R-1, S-3 (D) P-2, Q-1, R-3, S-5
2012 BIOTECHNOLOGY - BT
Options:
(A) P-5, Q-2, R-4, S-1
(B) P-4, Q-1, R-3, S-2
(C) P-4, Q-2, R-1, S-3
(D) P-2, Q-1, R-3, S-5
2012 BIOTECHNOLOGY - BT
Official Answer Key:
B
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2012 Q.44)**
**1. Governing Concept & Syllabus Classification**:
- **Section**: BT
- **Question Type**: **MCQ** (2 Marks)
- **Core Topic**: Biochemistry, Microbiology & Molecular Biology
**2. Detailed Step-by-Step Analytical & Scientific Derivation**:
- **Systematic Conceptual & Option-by-Option Evaluation**:
- Problem Focus: *"Match the vitamins in Group I with the processes/reactions in Group II.
Group I Group II
P. Pantothenic acid 1. Electron transport
Q. Vitamin B2 2. Transfer of 1-C units
R. Vitamin B6 3. Decarboxylation
S. Folic..."*
- **Option (B) [CORRECT]**: *"P-4, Q-1, R-3, S-2"*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (A) [INCORRECT]**: *"P-5, Q-2, R-4, S-1"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (C) [INCORRECT]**: *"P-4, Q-2, R-1, S-3"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"P-2, Q-1, R-3, S-5
2012 BIOTECHNOLOGY - BT
BT 8/16"* does not satisfy the precise boundary conditions or molecular specificity.
**3. Final Answer / Verification Summary**:
- **Official GATE Answer Key**: **B**
- **Scoring Criteria**: 2 Marks (Negative marking: -0.66 marks).
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