UPDATE QUESTIONS AND ANSWERS |
ALREADY GRADED A++
Which statement is not true about catabolic pathways?
Select one:
A. They have a net release of energy.
B. They include the citric acid cycle.
C. They have a net consumption of ATP.
D. They liberate smaller molecules from larger ones. - Correct Answer- C. They
have a net consumption of ATP.
Consider the synthesis of a biopolymer in which the addition of successive
monomers occurs by the same kind of reaction(s). The synthesis of the polymer is
a ________ pathway.
Select one:
A. linear
B. branched
C. spiral
D. cyclic - Correct Answer- C. spiral
The ultimate product of complete oxidation of carbohydrates is ________.
Select one:
A. acetyl CoA
B. acetate ion
C. carbon dioxide
D. pyruvate - Correct Answer- C. carbon dioxide
, Which substance is a product of glycolysis, a precursor of gluconeogenesis and a
precursor of the citric acid cycle?
Select one:
A. Coenzyme A.
B. ATP.
C. Glucose.
D. Pyruvate. - Correct Answer- D. Pyruvate.
Phosphorylation at the expense of ATP is catalyzed by ________.
Select one:
A. phosphatases
B. protein kinases
C. phosphoryl isomerases
D. All of the above - Correct Answer- B. protein kinases
How many ATP molecules are consumed in the hexose stage of glycolysis for
every one molecule of glucose?
Select one:
A. 0; ATP is produced, not consumed, by glycolysis.
B. 1
C. 2
D. 3
E. 4 - Correct Answer- C. 2