GATE BT 2013 • Q12
MCQ • 1 Mark
Section 2: General Biotechnology
Bioenergetics and Metabolism
Subtopic: Thermodynamics & ATP Bioenergetics
Question Statement:
Which one of the following is an ABC transporter?
(A)multidrug resistance protein (B) acetylcholine receptor
(C)bacteriorhodopsin (D) ATP synthase
Options:
-
(A) multidrug resistance protein
-
(B) acetylcholine receptor
-
(C) bacteriorhodopsin
-
(D) ATP synthase
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE BT 2013 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: *"Which one of the following is an ABC transporter?..."*
- **Option (A) [CORRECT]**: *"multidrug resistance protein"*
- Validated by canonical biochemistry/biotechnology literature. Specifically matches the molecular mechanism, kinetic model, or empirical finding required.
- **Option (B) [INCORRECT]**: *"acetylcholine receptor"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (C) [INCORRECT]**: *"bacteriorhodopsin"* does not satisfy the precise boundary conditions or molecular specificity.
- **Option (D) [INCORRECT]**: *"ATP synthase"* does not satisfy the precise boundary conditions or molecular specificity.
**3. Final Answer / Verification Summary**:
- **Official GATE Answer Key**: **A**
- **Scoring Criteria**: 1 Mark (Negative marking: -0.33 marks).
Practice This in Real CBT Exam Interface
Test yourself with the official TCS-iON palette, virtual calculator, and immediate performance analytics.
Launch CBT Mock Test