Pyruvate is converted to ethanol and lactic acid during fermentation because organisms
a. need to recycle the electron carrier molecules needed for glycolysis.
b. produce ATP when pyruvate is converted to ethanol or lactic acid.
c. produce glucose when pyruvate is converted to ethanol or lactic acid.
d. produce oxygen when pyruvate is converted to ethanol or lactic acid.
e. produce water when pyruvate is converted to ethanol or lactic acid.
A; Organism needs empty electron carriers to complete glycolysis and therefore gain two ATP molecules.
You might also like to view...
Bilirubin is
a. converted to ammonia by the liver. b. converted to urea by the liver. c. a pigment that gives bile its yellow-green color. d. is formed from recycled hemoglobin. e. is the same as bile salt.
Which of the following represents a modular organism?
A) lizard B) coral C) dog D) ant
Put the following steps in order to trace the path of nitrogen into a protein in the turkey you ate for Thanksgiving:
What will be an ideal response?
The living organism that provides nutrients for a parasite is the
A. prey. B. host. C. predator. D. scavenger.