Activated G proteins ____
a. trigger endocytosis of the G-protein-coupled receptor
b. bind to second messengers
c. separate into two parts
d. activate a kinase
e. inhibit guanylyl cyclase
ANSWER: c
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The complete genetic composition of an organism is called its.
A. proteome. B. genome. C. transcriptosome. D. phenotype. E. None of these choices are correct.
Acanthamoeba species
A. cause keratitis. B. are facultative parasites. C. cause encephalitis. D. All of the choices are correct.
Males and females often differ in their reproductive strategies due to the fact that males can increase
the number of offspring they produce by ____ while females reproduce most successfully by ____.
a. mating with a high-quality female; mating with a high-quality male b. driving off other males; defending a productive territory c. defending a productive territory; enlisting multiple males to aid in raising her offspring d. mating with multiple females; mating with a high-quality male e. mating with multiple females; mating with multiple males
If DNA were a positively charged rather than negatively charged, what change to the gel electrophoresis procedure must be made?
A. DNA must be loaded at the positive pole rather than at the negative pole. B. Migration time of restriction fragments must be increased. C. Type of buffer used must be basic rather than neutral. D. All of the choices are correct.