Discuss the role of alcohol, lactic acid and mixed acids during fermentation (20 marks)
Discuss the role of alcohol, lactic acid and mixed acids during fermentation (20 marks)
Homework Answers
During fermentation oxygen is needed.So micobes use this lactic acid and alcohol as a source to produce energy. Alcoholic fermentation and lactic acid fermentation are 2 pathways to produce energy anaerobically.
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Discuss the role of alcohol, lactic acid and mixed
acids during fermentation (20 marks)
QUESTION 4 [10] Write briefly on the process of photosynthesis as it occurs in bacteria. QUESTION...
QUESTION 4 [10] Write briefly on the process of photosynthesis as it occurs in bacteria. QUESTION 5 [20] Discuss on the role of alcohol, lactic acid, and mixed acids during fermentation.
One function of both alcohol fermentation and lactic acid fermentation is to A. reduce FAD+ to...
One function of both alcohol fermentation and lactic acid fermentation is to A. reduce FAD+ to FADH2. B. oxidize NADH to NAD+. C. reduce NAD+ to NADH. D. reduce FADH2 to FAD+. E. None of these answers are correct
If your muscle cells used alcohol fermentation instead of lactic acid fermentation, which of the following...
If your muscle cells used alcohol fermentation instead of lactic acid fermentation, which of the following might occur under low oxygen conditions? A) You would no longer be able to regenerate NAD+ B) You would no longer be able to produce ATP C) You would produce ethanol instead of lactic acid D) You would produce less CO2
QUESTION 30 One function of both alcohol fermentation and lactic acid fermentation is to O A....
QUESTION 30 One function of both alcohol fermentation and lactic acid fermentation is to O A. reduce FAD+ to FADH2. B: oxidize NADH to NAD+ C. reduce NAD+ to NADH. D. reduce FADH2 to FAD+. E. None of these answers are correct
3. During lactic acid fermentation, bacteria metabolize glucose to lactic acid, producing two ATP along the...
3. During lactic acid fermentation, bacteria metabolize glucose to lactic acid, producing two ATP along the way. What is the overall change in oxidation state from glucose to the two molecules of lactate? Is this a net oxidation, reduction or neither? OH HO OH OH OH
lactic acid, alcohol, acetic acid and butanol are all examples of a- by product of aerobic...
lactic acid, alcohol, acetic acid and butanol are all examples of a- by product of aerobic respiration b- by product of anaerobic respiration c-products of substrate level phosphorylation d- fermentation waste products
2. Lactic acid is an important pharmaceutical product that is manufactured by the fermentation of glucose:...
2. Lactic acid is an important pharmaceutical product that is manufactured by the fermentation of glucose: C6H1206 → CsHO Lactic acid has a melting point of 17°C so one way to separate it from the water and unreacted glucose that makes up part of the biomass is to drop the temperature below this melting point in a crystallizer. This will allow solid lactic acid to drop out of the mixture. This solid lactic acid will still be wetted with a...
C. bescii Metabolism 11 ATP ADP + P ATP ADP+P Lactic Acid Fermentation 7 Cellulose Synthesis...
C. bescii Metabolism 11 ATP ADP + P ATP ADP+P Lactic Acid Fermentation 7 Cellulose Synthesis 9 Cellulose Hydrolysis 10 Glycolysis Original C. bescit Engineered C besci Alcohol Fermentation ADP+P ATP 8 12 13 IA. BOX 13 is byproduct of Alcohol firmentation In the engineer microbe. o Graphite 002 sucrose Clfatty acid 81B. Box 8 is a by product of cellulon synthesis. is a result from the removal of OH- and Ht from the substance of cellulose synthesis C H2O...
Equal volumes of 200 mM lactic acid and 200 mM potassium lactate are mixed to make...
Equal volumes of 200 mM lactic acid and 200 mM potassium lactate are mixed to make a buffer. The pKa of lactic acid is 3.86 (a) Determine the pH of this buffer and its final concentration. [4 marks] (b) Calculate the concentrations of the buffer components after acid or base is added to bring the pH to 4.5. Assume a negligible change in volume. 6 marks]
The catabolic process of making yogurt is: anaerobic respiration acid fermentation alcohol fermentation aerobic respiration
The catabolic process of making yogurt is: anaerobic respiration acid fermentation alcohol fermentation aerobic respiration
QUESTION 4 [10] Write briefly on the process of photosynthesis as it occurs in bacteria. QUESTION 5 [20] Discuss on the role of alcohol, lactic acid, and mixed acids during fermentation.
QUESTION 30 One function of both alcohol fermentation and lactic acid fermentation is to O A. reduce FAD+ to FADH2. B: oxidize NADH to NAD+ C. reduce NAD+ to NADH. D. reduce FADH2 to FAD+. E. None of these answers are correct
3. During lactic acid fermentation, bacteria metabolize glucose to lactic acid, producing two ATP along the way. What is the overall change in oxidation state from glucose to the two molecules of lactate? Is this a net oxidation, reduction or neither? OH HO OH OH OH
2. Lactic acid is an important pharmaceutical product that is manufactured by the fermentation of glucose: C6H1206 → CsHO Lactic acid has a melting point of 17°C so one way to separate it from the water and unreacted glucose that makes up part of the biomass is to drop the temperature below this melting point in a crystallizer. This will allow solid lactic acid to drop out of the mixture. This solid lactic acid will still be wetted with a...
C. bescii Metabolism 11 ATP ADP + P ATP ADP+P Lactic Acid Fermentation 7 Cellulose Synthesis 9 Cellulose Hydrolysis 10 Glycolysis Original C. bescit Engineered C besci Alcohol Fermentation ADP+P ATP 8 12 13 IA. BOX 13 is byproduct of Alcohol firmentation In the engineer microbe. o Graphite 002 sucrose Clfatty acid 81B. Box 8 is a by product of cellulon synthesis. is a result from the removal of OH- and Ht from the substance of cellulose synthesis C H2O...
Equal volumes of 200 mM lactic acid and 200 mM potassium lactate are mixed to make a buffer. The pKa of lactic acid is 3.86 (a) Determine the pH of this buffer and its final concentration. [4 marks] (b) Calculate the concentrations of the buffer components after acid or base is added to bring the pH to 4.5. Assume a negligible change in volume. 6 marks]
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