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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: A 49.4 Mean = (47.3 + 52.2 + 49.2...
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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.Q52 The ΔG°′ for the oxidation of NADH by FAD...
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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 is 5.6 turns (A)...
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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.Q48: B 26 m³ h⁻¹ Calculation: D = μₘ·S/(Kₛ+S) =...
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What is Tidal volume? Find out the Tidal volume (approximate value) for a healthy human in an hour.Tidal volume (TV or Vₜ) is the volume of air...
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Distinguish between (a) IRV and ERV (b) Inspiratory capacity and Expiratory capacity. (c) Vital capacity and Total lung capacity.Inspiratory reserve volume (IRV) vs expiratory reserve volume (ERV) IRV...
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Have you heard about hypoxia? Try to gather information about it, and discuss with your friends.Hypoxia is a pathological condition in which the entire body...
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