The term substrate is synonymous to the term ____
a. enzyme
b. end product
c. reactant
d. intermediate
e. active site
ANSWER: c
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Which of the following does NOT occur during prophase of mitosis?
a. the nuclear envelope disappears. b. the mitotic spindle forms. c. chromatin condenses into chromosomes. d. centrioles migrate to opposite poles of the cell. e. chromosomes decondense into chromatin.
DNA polymerase, before any proofreading by repair enzymes, makes one mistake for about every
A) 10,000 to 1 million base pairs. B) 100 million to 10 billion base pairs. C) 1 million to 10 million base pairs. D) 1 to 100 base pairs. E) 100 to 1,000 base pairs.
In the light-dependent reactions of photosynthesis,
a) oxygen is used to synthesize sugars. b) carbon dioxide is used to synthesize sugars. c) glucose is oxidized. d) ADP is converted to ATP.
Sister chromatids of each duplicated chromosome separate during __________.
A) prophase I B) anaphase I C) prophase II D) anaphase II