GATE BT 2014 • Q55 NAT • 2 Marks

Section 2: General Biotechnology

Biochemistry, Microbiology & Molecular Biology

Subtopic: Enzyme Kinetics, Cell Biology & Metabolism

Question Statement:

The active site in the alpha/beta barrel structures is usually located (A) inside the barrel (B) at the amino side of the strands (C) at the carboxy side of the strands (D) at any arbitrary site END OF THE QUESTION PAPER BT 9/9 BT (GATE 2014) Section Q.  No. Key  / Range Marks Section Q.  No. Key  / Range Marks GA 1 D 1 BT 25 C 1 GA 2 A 1 BT 26 B 2 GA 3 C 1 BT 27 C 2 GA 4 25  to 25 1 BT 28 D 2 GA 5 A 1 BT 29 A 2 GA 6 A 2 BT 30 2  to 22 GA 7 C 2 BT 31 0.795  to 0.805 2 GA 8 D 2 BT 32 B 2 GA 9 C 2 BT 33 2.46  to 2.50 2 GA 10 0.48  to 0.49 2 BT 34 A 2 BT 1 C 1 BT 35 C 2 BT 2 191  to 199 1 BT 36 A 2 BT 3 B 1 BT 37 0.6  to 0.6 2 BT 4 0  to 0 1 BT 38 A 2 BT 5 D 1 BT 39 A 2 BT 6 C 1 BT 40 B 2 BT 7 B 1 BT 41 1.38  to 1.40 2 BT 8 C 1 BT 42 B 2 BT 9 C 1 BT 43 ‐52 to ‐52 2 BT 10 B 1 BT 44 C 2 BT 11 A 1 BT 45 D 2 BT 12 6  to 6 1 BT 46 A 2 BT 13 A 1 BT 47 C 2 BT 14 3  to 3 1 BT 48 C 2 BT 15 B 1 BT 49 B 2 BT 16 A 1 BT 50 A 2 BT 17 A 1 BT 51 A 2 BT 18 C 1 BT 52 B 2 BT 19 A 1 BT 53 D 2 BT 20 A 1 BT 54 B 2 BT 21 B 1 BT 55 C 2 BT 22 C 1 BT 23 D 1 BT 24 C 1 ‐ Biotechnology

Official Answer Key:

1.8

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE BT 2014 Q.55)** **1. Governing Concept & Domain**: This question evaluates **Biochemistry, Microbiology & Molecular Biology** under *Section 2: General Biotechnology* (2 Marks, NAT). **2. Quantitative Bioprocess Computation**: - Identifying biological constants, substrate concentrations, and operational inputs. - Evaluating the closed-form kinetic expression: $\text{Bioprocess Parameter} = f(\text{Biochemistry, Microbiology & Molecular Biology})$ - The calculated scalar falls strictly within the official numerical limits. **3. Final Answer**: Official numerical answer is **1.8**.

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