Which enzyme is responsible for adding complementary DNA bases to an exposed DNA strand?
A. DNA peptidase
B. DNA helicase
C. DNA ligase
D. DNA polymerase
Answer: D
Biology & Microbiology
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Which of the following gives the most accurate measure of relative economic prosperity?
A) purchasing power parity B) GDP per capita C) GNP per capita D) national income
Biology & Microbiology
A nerve may be as long as
a. one inch. b. 12 inches. c. a few millimeters. d. 3 or 4 feet. e. one foot.
Biology & Microbiology
The migration of breeding individuals between populations causes a corresponding movement of
alleles, which is referred to as: a. genetic drift. b. directional selection. c. natural selection. d. gene flow. e. mutation.
Biology & Microbiology
Which plant has a jointed hollow stem with reduced megaphylls?
a. moss b. horsetail c. club moss d. whisk fern e. hornwort
Biology & Microbiology