Please answer and explain why. I\'m kind of confused. The importance of NAD+ dur
ID: 264798 • Letter: P
Question
Please answer and explain why. I'm kind of confused.
The importance of NAD+ during periods of anaerobic respiration in the muscle is
A. To provide a reduced form of NAD for ATP production through oxidative phosphorylation
B. To allow for the transfer of electrons (to NAD) from intermediates during glycolysis
C. To make beer!
D. To reduce the amount of lactic acid build-up in the muscle
E. None of the above
Which of the following statements is CORRECT regarding cleavage of fructose 1,6-bisphosphate (F1,6-BP) during glycolysis?
A. The enzyme that catalyzes cleavage is aldolase
B. Radioactive labeling of the C4 carbon of F1,6-BP reveals association of the label with dihydroxyacetone phosphate (DHAP)
C. The cleavage reaction represents the first committed step of glycolysis
D. The product of F1,6-BP cleavage that continues on through the rest of glycolysis is DHAP
E. None of the above
During fermentation, the way to determine that there is no net change in the oxidation state of glucose is to assess the _______.
A. hydrogen-to-oxygen ratio of glucose versus that of the fermentation end product
B. oxygen-to-carbon ratio of glucose versus that of the fermentation end product
C. hydrogen-to-carbon ratio of glucose versus that of the fermentation end product
D. amount of oxygen consumed
E. number of ATP molecules generated
The reaction in which dihydroxyacetone phosphate is converted to glyceraldehyde 3-phosphate is catalyzed by which enzyme below?
A. Glyceraldehyde 3-phosphate dehydrogenase
B. hexokinase
C. glycerol kinase
D. triose phosphate isomerase
E. None of the above
The two priming reactions in glycolysis
A. involve the production/synthesis of ATP
B. make otherwise exergonic steps endergonic
C. occur in the payoff phase of glycolysis
D. directly form high-energy compounds
E. None of the above
The relevant, high-energy bond that is formed linking glyceraldehyde 3-phosphate dehydrogenase with its substrate to make step #6 of glycolysis more favorable is a(n) ________________ intermediate
A. phospho-substrate
B. ATP
C. phosphocreatine
D. thioester
E. none of the above
Explanation / Answer
Please answer and explain why. I'm kind of confused. The importance of NAD+ dur