30. During acrobic respiration ATPs are made by A. Substrate level phosphorylati

Question

30. During acrobic respiration ATPs are made by A. Substrate level phosphorylation B. Oxidative phopshorylation C. Cyclic D. Noncyclic photophosphorylation E. A and B 31. Which of the following is not true of the net ATP (ATP equivalent) yield/glucose in E coli? A. It is 2 in the Kreb's cycle. B. It is 34 in the electron transport syste C. It is 2 in fermentation. D. It is 2 in glycolysis. E. All of the above are true. m and associated processes in bacteria. 32. Which of the following items functions most like an autoclave? A. pan of boiling water B. incinerator C. pressure cooker D. Iyophilizer E. a microwave oven 33. In the acrobic metabolism of proteins by chemoheterotrophs (e.g. E coll) A. Proteins are broken down into smaller peptides and eventually into amino acids by proteases B. Certain amino acids may be converted to pyruvate. C. Certain amino acids may be converted to intermediates (eg oxaloacetate) of the Krebs cycle D. Certain amino acids may be converted to acetyl-CoA. E. All of the above are true. 34. Enzyme activity may be affected by which of these environmental factors? A. temperature B. pH C. concentration of the substrate D, none of the above E. A,Band C 35. During anaerobic respiration ATPs are made by A. Substrate level phosphorylation B. Oxidative phopshorylation C. Cyclic photophosphorylation D. Noncyclic photophosphorylation E. A and B

Explanation / Answer

30. The answer is E. A and B.
During glycolysis and TCA cycle the ATP produces by substrate level of phosphorelation and the rest are produce thourgh ETC from NADH and FADH2.

31. The answers are A and B.
Because the krebs cycle and ETC is absent in bacteria.

32. The answer is C. Pressure Coocker.

33. The answer is E.
The proteases convert the proteins in to amino acids, alanine converts in to pyruvate...etc.

34. The answer is A, B and C.
The temperature and pH maxizes the enzymatic reaction upto some extent, that maximum point is called optimal point. Concentration of substrate is effect the enzymatic activity.

35. The answer is A. Substrate level phosphorelation.
During glycolysis four molecules generates from substrate level phosphorelation.As tow of the ATPs consumed in glucose to fructuose 1,6 bi phosphare conversation, the net ATPS are 2.

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