Genetic recombination involves the use of ____ enzymes to cut out segments of DNA.
A. restriction endonuclease
B. snurp
C. ligase
D. DNA polymerase
A. restriction endonuclease
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According to Hamilton's rule, _____
A) natural selection does not favor altruistic behavior that causes the death of the altruist B) natural selection favors altruistic acts when the resulting benefit to the beneficiary, corrected for relatedness, exceeds the cost to the altruist C) natural selection is more likely to favor altruistic behavior that benefits an offspring than altruistic behavior that benefits a sibling D) the effects of kin selection are larger than the effects of direct natural selection on individuals E) altruism is always reciprocal
Radiolarians have characteristic ____, which are thin, ray-like strands of cytoplasm supported internally by bundles of
____.
a. axopods; microfilaments b. axopods; microtubules c. spicules; microfilaments d. spicules; microtubules
e. microfilaments; axopodsThe cornea and lens come together at the _____
Fill in the blank(s) with the appropriate word(s).
What would happen if you add mitosis-promoting factor (MPF) to germinal cells in the skin arrested in G2?
a. Cell division would cease. b. The cells would enter prophase. c. The cells would undergo cytokinesis. d. Cell death would occur.