The Hardy-Weinberg rule is
a. useful in determining the extent to which a
sexually reproducing population is
evolving.
b. used to predict when genetic drift will
occur in a sexually reproducing population.
c. useful in determining the extent to which
polyploidy is occurring in specific plant
populations.
d. used to predict when specific groups of
organisms will become extinct.
e. all of these.
A
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Which of the following includes all the others?
a. actin b. myofibril c. myosin d. myofilament e. muscle fiber
Antifungal drugs used to treat superficial mycoses work by
A) Disrupting fungal membrane permeability and inhibiting sterol synthesis B) Disrupting RNA function C) Altering glucose metabolism D) Inhibiting protein synthesis
Why are the components of the electron transport chain embedded in the inner mitochondrial membrane rather than floating freely in the cytoplasm of mitochondrial matrix?
A. because electrons cannot float in the matrix. B. to separate the ATP from the ADP. C. because NADH cannot localize to the mitochondrial matrix. D. to generate and maintain the proton gradient essential for ATP production.
All of the following are associated with the streak plate method of isolation EXCEPT:
a) a solid medium in a Petri dish b) colonies growing at and below the surface of the medium c) a sterile inoculating loop or needle d) isolation of CFU's from one another