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Avatar of Sourav Pan
Sourav PanLv 9
·
08 Aug 2025

SKETCH AND LABEL THE FOLLOWING APPARATUS WITH TWO USES 1. ANALYTICAL WEIGHING BALANCE 2. SIMPLE DISTILLATION APPARATUS 3. CENTRIFUGE 4. PH METER 5. OVEN 6. HOT PLATE AND STIRRER 7. MURFFLE FURNACE 8. FUME CUPBOARD 9. HEATING MANTLE 10. PIPPETE FOILER 11. TONG AND CRUSCIBLE 12. BURSEN BURNER AND TRIPOD STAND 13. WATHER BATH 14. MELTING POINT APPARATUS 15. LABORATORY BENCH

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Avatar of Sourav Pan
Sourav PanLv 9
·
03 Jul 2025

During bioconversion of sucrose to citric acid by Aspergillus niger, final samples of 6 batches of fermentation broth were analyzed for citric acid content. The results (in g L⁻¹) were found to be 47.3, 52.2, 49.2, 52.4, 49.1 and 46.3.

During bioconversion of sucrose to citric acid by Aspergillus niger, final samples of 6 batches of fermentation broth were analyzed for citric acid content. The results (in g L⁻¹) were found to be 47.3, 52.2, 49.2, 52.4, 49.1 and 46.3. Q54 The mean value of acid concentration will beA 49.4B 51.0C 48.2D 50.8 Q55 The … Read more

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Avatar of Sourav Pan
Sourav PanLv 9
·
03 Jul 2025

The standard redox potential values for two half‐reactions are given below. The value for Faraday’s constant is 96.48 kJ V⁻¹ mol⁻¹ and gas constant R is 8.31 J K⁻¹ mol⁻¹.

The standard redox potential values for two half‐reactions are given below. The value for Faraday’s constant is 96.48 kJ V⁻¹ mol⁻¹ and gas constant R is 8.31 J K⁻¹ mol⁻¹.NAD⁺ + H⁺ + 2 e⁻ ⇌ NADH –0.315 VFAD + 2 H⁺ + 2 e⁻ ⇌ FADH₂ –0.219 V Q52 The ΔG°′ for the oxidation of NADH … Read more

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Avatar of Sourav Pan
Sourav PanLv 9
·
03 Jul 2025

The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right‐handed α‐helix.

The width of the lipid bilayer membrane is 30 Å. It is permeated by a protein which is a right‐handed α‐helix. Q50 The number of α-helical turns permeating the membrane isA 5.6 turnsB 3.5 turnsC 6.5 turnsD 5.0 turns Q51 The number of amino acid residues present in the protein isA 15B 18C 17D 20

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Avatar of Sourav Pan
Sourav PanLv 9
·
03 Jul 2025

A culture of Rhizobium is grown in a chemostat (100 m³ bioreactor). The feed contains 12 g L⁻¹ sucrose, Ks for the organism is 0.2 g L⁻¹ and μₘ = 0.3 h⁻¹.

A culture of Rhizobium is grown in a chemostat (100 m³ bioreactor). The feed contains 12 g L⁻¹ sucrose, Ks for the organism is 0.2 g L⁻¹ and μₘ = 0.3 h⁻¹. The flow rate required to result in steady‐state concentration of sucrose as 1.5 g L⁻¹ in the bioreactor will beA 15 m³ h⁻¹B … Read more

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