In alcohol fermentation, NAD+ is regenerated from NADH during the
A) reduction of acetaldehyde to ethanol (ethyl alcohol).
B) oxidation of pyruvate to acetyl CoA.
C) reduction of pyruvate to form lactate.
D) oxidation of NAD+ in the citric acid cycle.
E) phosphorylation of ADP to form ATP.
Ans: A) reduction of acetaldehyde to ethanol (ethyl alcohol).
You might also like to view...
Lancelets are
a. fish shaped. b. filter feeders. c. three to seven centimeters long. d. burrowers in shallow sediments. e. all of these.
An enzyme and its substrate interact at a surface crevice on the enzyme called a(n)
a. receptor site. b. active site. c. transition point. d. target site. e. contact point.
Isolation of Gram-positive (bacilli/cocci/vibrios) from food suspected of being the source of an outbreak of diarrhea indicates the disease is the result of bacterial intoxication
What will be an ideal response?
What is responsible for termination of transcription in eukaryotic protein-coding genes?
A) a polyadenylation signal or poly(A) B) a termination loop composed of guanine C) a sigma factor D) a portion of the polymerase holoenzyme E) three nonsense mutations in sequence