The radioactive decay of carbon-14 can be used to determine ____
a. relative dating
b. absolute dating
c. mutation rates
d. plate tectonics
e. extinction rates
ANSWER: b
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Clinal variation usually results from ____ between ____ populations that are each adapting to slightly different conditions
a. isolation; adjacent b. isolation; distant c. genetic drift; distant d. gene flow; adjacent e. genetic drift; adjacent
A pancreatic hormone that facilitates the entry of glucose into cells and the conversion of blood-borne fuels to forms that can be stored
What will be an ideal response?
In reverse vaccinology, researchers develop vaccines by
A) considering how rapidly pathogens divide in laboratory culture. B) culturing pathogens in laboratory glassware. C) consulting genome sequence to identify genes that encode hidden antigens that may be used as the basis for a vaccine. D) injecting human antigens into pathogen genomes.
Probes for cloned genes use
a. complementary nucleotide sequences tagged with a detectable label. b. specific antibodies that kill all the cells except those that have incorporated the genes. c. specific enzymes that lyse all the cells except those that have incorporated the genes. d. certain bacteria that glow when they take up the genes. e. all of these.