The genetic preservation of the features that increase the likelihood of survival and reproduction of some individuals within a population is called the process of
A. creation of new species.
B. natural selection.
C. outcrossing.
D. genetic drift.
E. increasing evolutionary resistance.
Answer: B
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The small, non-protein molecules that can be readily separated from an enzyme and are responsible for transfer of atoms from one molecule to another are referred to as
A. vitamins. B. enzymes. C. hormones. D. coenzymes.
___________ immunity develops over time and results from exposure to an antigen.
a. Acquired b. Natural c. Innate d. Primary
The highest magnification generally used to study
cells is provided by the a. transmission electron microscope. b. compound light microscope. c. phase contrast microscope. d. scanning electron microscope. e. Nomarski process light microscope.
The testing method involving the separation of serum proteins by electrophoresis, their subsequent transfer to special filters, and then probing with patient sera is called
A. the Quellung test. B. Ouchterlony double diffusion. C. the Western blot. D. immunelectrophoresis. E. a radioimmunoassay (RIA).