Draw the electron transport chains of bacteria under high and low oxygen conditions so the maximum...
Draw the electron transport chains of bacteria under high and low oxygen conditions so the maximum amount of protons can be pumped
Include the maximum amount of protons to be pumped for both high and low oxygen conditions
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Draw the electron transport chains of bacteria
under high and low oxygen conditions so the maximum...
4. Acetobacter aceti bacteria convert ethanol to acetic acid under aerobic conditions. A continuous fermentation process...
4. Acetobacter aceti bacteria convert ethanol to acetic acid under aerobic conditions. A continuous fermentation process for vinegar production using A. aceti cells immobilised on the surface of gelatine beads is used. An aqueous solution of ethanol is the reactant. The production target is 7 kg/h acetic acid in aqueous solution. However the maximum acetic acid concentration tolerated by the cells is 12 %. Air is pumped into the fermenter so that 4.5 kg/h of oxygen are delivered. Using mass...
Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite....
Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite. This requires an enzyme called nitrate reductase. Write a balanced equation for the oxidation of NADH by nitrate. Calculate the Gibbs free energy change under standard state conditions (ΔGo’) for the oxidation of NADH by nitrate [tip: you will need to look at Table 3.5 in the textbook]. The Faraday Constant, F, is 96.5 kJ/V.mol.
Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite....
Some bacteria can use nitrate as an electron acceptor instead of oxygen, reducing it to nitrite. This requires an enzyme called nitrate reductase. The reduction and oxidation redox equations I am using are: NO3- +2H+ +2e- ---> NO2- + H2O NAD+ + 2H+ +2e- ---> NADH + H+ I calculated the Gibbs free energy change under standard state conditions for the oxidation of NADH by nitrate to be -144.75 kJ/mol. Please use the value to help solve part a. Please...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Under the conditions of low oxygen atom concentration, the radical HOO can react reversibly with NO2...
Under the conditions of low oxygen atom concentration, the radical HOO can react reversibly with NO2 to produce a molecule of HOONO2. Deduce why the addition of nitrogen oxides to the lower stratosphere could lead to an increase in the steady state ozone concentration as a consequence of this reaction. Deduce how the addition of nitrogen oxides to the middle and upper stratosphere could decrease the ozone concentration there as a consequence of other reactions.
1) Describe PN junction under equilibrium, forward, and backward bias conditions. Draw the band diagram together...
1) Describe PN junction under equilibrium, forward, and backward bias conditions. Draw the band diagram together with charge density, electric field, and potential profiles across the junction. Describe the physics of charge transport (both electrons and holes) in PN junction under forward bias. Include drift, diffusion, recombinations etc in your description.
Gases are most likely to be found in a phase diagram under conditions of high temperature...
Gases are most likely to be found in a phase diagram under conditions of high temperature and high pressure high temperature and low pressure low temperature and high pressure low temperature and low pressure moderate temperature and pressure Problems in this section are worth six each plus 4 additional point for work shown in the blue booklet. The half-life of the radioisotope^158 Eu is 0.77 h. How much time is required for a 160.0-g sample of^158 Eu to decay to...
6. Under what conditions is water actively transported across a membrane? A. Only from high osmotic...
6. Under what conditions is water actively transported across a membrane? A. Only from high osmotic pressure to low osmotic pressure B. Only from low osmotic pressure to high osmotic pressure C. Only mammals have evolved the capacity for active transport of water in the kidney D. Many vertebrates have aquaporins that can actively transport water E. None - water always moves by passive transport 7. You are studying two animals from the central Atlantic Ocean, a cnidarian and a...
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C....
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C. when there is a deficiency of BOTH pyruvate and oxygen D. for the regeneration of NADH so that hydrolysis of ATP can continue to fuel the glycolysis pathway Explain how gluconeogenesis differs from gtycolysis 21 Gluconeogenesis is simply the reverse of all 10 steps...
How do we predict the conditions (high temperature, low temperature, all temperatures, or no temperatures) under which...
How do we predict the conditions (high temperature, low temperature, all temperatures, or no temperatures) under which each of the following reactions will be spontaneous. (I have the correct answers to the following so I really want to understand how to solve this question or approach it - Thank you) a) H2O(g) -->H2O(l) b) CO2(s)-->CO2(g) c) H2(g)-->2H(g) d) 2NO2(g)-->2NO(g)+O2(g)(endothermic) *Please expain how to determine the answers - I have the correct solutions*
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Gases are most likely to be found in a phase diagram under conditions of high temperature and high pressure high temperature and low pressure low temperature and high pressure low temperature and low pressure moderate temperature and pressure Problems in this section are worth six each plus 4 additional point for work shown in the blue booklet. The half-life of the radioisotope^158 Eu is 0.77 h. How much time is required for a 160.0-g sample of^158 Eu to decay to...
3 20 The conversion pyruvate to either ethanol or lactate occurs A. when there is an abundance of pyruvate but a deficiency of onygen B. when there is an abundance of BOTH pyruvate and oxygen C. when there is a deficiency of BOTH pyruvate and oxygen D. for the regeneration of NADH so that hydrolysis of ATP can continue to fuel the glycolysis pathway Explain how gluconeogenesis differs from gtycolysis 21 Gluconeogenesis is simply the reverse of all 10 steps...
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