The mean value of acid concentration (A) 49.4 g/L (B) 48.0 g/L (C) 50.0 g/L (D) 47.5 g/L
The mean value of acid concentration (A) 49.4 g/L (B) 48.0 g/L (C) 50.0 g/L (D) 47.5 g/L
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Questions and Answers For
Biotechnology
124 Questions
1 Answer The value of ΔG° given K’eq as 1.7 at 23°C will be (A) -17.19 kJ mol⁻¹ (B) -19.8 kJ mol⁻¹ (C) +52.82 kJ mol⁻¹ (D) -117.07 kJ mol⁻¹
The value of ΔG° given K’eq as 1.7 at 23°C will be (A) -17.19 kJ mol⁻¹ (B) -19.8 kJ mol⁻¹ (C) +52.82 kJ mol⁻¹ (D) -117.07 kJ mol⁻¹
1 Answer The number of α-helical turns permeating the membrane Common Data: The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. (A) 5.6 turns (B) 3.5 turns (C) 6.5 turns (D) 5.0 turns
The number of α-helical turns permeating the membrane Common Data: The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. (A) 5.6 turns (B) 3.5 turns (C) 6.5 turns (D) 5.0 turns
1 Answer The ΔG° for the oxidation of NADH by FAD Statement: The standard redox potential values for two half-reactions are given. NAD⁺ + H⁺ + 2e⁻ ↔ NADH -0.315 V FAD + 2H⁺ + 2e⁻ ↔ FADH₂ -0.219 V (A) -9.25 kJ mol⁻¹ (B) -103.04 kJ mol⁻¹ (C) +51.52 kJ mol⁻¹ (D) -18.5 kJ mol⁻¹
The ΔG° for the oxidation of NADH by FAD Statement: The standard redox potential values for two half-reactions are given. NAD⁺ + H⁺ + 2e⁻ ↔ NADH -0.315 V FAD + 2H⁺ + 2e⁻ ↔ FADH₂ -0.219 V (A) -9.25 kJ mol⁻¹ (B) -103.04 kJ mol⁻¹ (C) +51.52 kJ mol⁻¹ (D) -18.5 kJ mol⁻¹ … Read more
1 Answer The number of amino acid residues present in the protein Common Data: The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. (A) 15 (B) 18 (C) 20 (D) 17
The number of amino acid residues present in the protein Common Data: The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right-handed α-helix. (A) 15 (B) 18 (C) 20 (D) 17
1 Answer The flow rate required to result in a steady-state concentration of sucrose as 1.5 g/L in the bioreactor Common Data: A culture of Rhizobium is grown in a chemostat (100 m³) bioreactor. The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and μm = 0.3 h⁻¹. (A) 15 m³/h (B) 26 m³/h (C) 2.6 m³/h (D) 150 m³/h
The flow rate required to result in a steady-state concentration of sucrose as 1.5 g/L in the bioreactor Common Data: A culture of Rhizobium is grown in a chemostat (100 m³) bioreactor. The feed contains 12 g/L sucrose, Ks for the organism is 0.2 g/L and μm = 0.3 h⁻¹. (A) 15 m³/h (B) 26 … Read more
1 Answer If Yx/s = 0.4 g/g for the above culture and steady-state cell concentration in the bioreactor is 4 g/L, the resulting substrate concentration will be (A) 2 g/L (B) 8 g/L (C) 4 g/L (D) 6 g/L
If Yx/s = 0.4 g/g for the above culture and steady-state cell concentration in the bioreactor is 4 g/L, the resulting substrate concentration will be (A) 2 g/L (B) 8 g/L (C) 4 g/L (D) 6 g/L
1 Answer Match the items in Group I with Group II Group I (Vectors): P. λ phage Q. Bacterial Artificial Chromosomes (BACs) R. P1 derived Artificial Chromosomes (PACs) S. λ cosmid Group II (Maximum DNA packaging): 1. 35-45 kb 2. 100-300 kb 3. ≤ 300 kb 4. 5 – 25 kb (A) P-3, Q-4, R-1, S-2 (B) P-1, Q-3, R-2, S-4 (C) P-4, Q-3, R-2, S-1 (D) P-1, Q-2, R-3, S-4
Match the items in Group I with Group II Group I (Vectors): P. λ phage Q. Bacterial Artificial Chromosomes (BACs) R. P1 derived Artificial Chromosomes (PACs) S. λ cosmid Group II (Maximum DNA packaging): 1. 35-45 kb 2. 100-300 kb 3. ≤ 300 kb 4. 5 – 25 kb (A) P-3, Q-4, R-1, S-2 (B) … Read more
1 Answer Match Group I with Group II Group I: P. Staphylococcus aureus Q. Candida albicans R. Mycobacterium tuberculosis S. Lactobacillus lactis Group II: 1. Biofilms 2. Bacteriocins 3. Methicillin resistance 4. Isoniazid (A) P-1, Q-4, R-2, S-3 (B) P-2, Q-3, R-1, S-4 (C) P-3, Q-1, R-4, S-2 (D) P-1, Q-2, R-4, S-3
Match Group I with Group II Group I: P. Staphylococcus aureus Q. Candida albicans R. Mycobacterium tuberculosis S. Lactobacillus lactis Group II: 1. Biofilms 2. Bacteriocins 3. Methicillin resistance 4. Isoniazid (A) P-1, Q-4, R-2, S-3 (B) P-2, Q-3, R-1, S-4 (C) P-3, Q-1, R-4, S-2 (D) P-1, Q-2, R-4, S-3
1 Answer A mutant Gα protein with increased GTPase activity would (A) not bind to GTP (B) not bind to GDP (C) show increased signaling (D) show decreased signaling
A mutant Gα protein with increased GTPase activity would (A) not bind to GTP (B) not bind to GDP (C) show increased signaling (D) show decreased signaling
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