What event enabled the rats to become
resistant to warfarin?
a. mutation of a gene associated with the
recycling of vitamin A
b. mutation of a gene associated with vitamin
K
c. mutation of a gene associated with blood
clotting
d. mutation of a gene associated with blood
production
e. more than one of these enabled rats to
become resistant to warfarin
E
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Mathematical models suggest that ____ will be favored by natural selection if organisms grow larger as they age
a. fecundity b. iteroparity c. delayed reproduction d. early reproduction e. semelparity
The first cells were
a. autotrophic. b. parasitic. c. anaerobic. d. aerobic. e. all of these.
Muscle fatigue is a result of
a. accumulation of lactic acid. b. exhaustion of available ATP. c. reduction in lactic acid. d. failure of calcium channels to open after prolonged use. e. inactivity of muscles for prolonged periods of time.
Examples of fungi include yeasts and molds.
a. true b. false