How many different codons are there?
a. 4
b. 16
c. 32
d. 64
e. 128
D
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A chemoorganotroph and a chemolithotroph in the same environment would NOT compete for
A) oxygen. B) carbon. C) nitrogen. D) phosphorous.
When the product of reaction A becomes the reactant of reaction B, this exemplifies a ________ metabolic pathway.
A. divergent B. cyclic C. bidirectional D. convergent E. linear
Which of the following might be a possible
follow-up experiment? a. Repeat in a forest area totally devoid of native butterflies. b. Repeat in a wildlife sanctuary aviary after giving birds a chance to learn about yellow H. eleuchia. c. Repeat using young, inexperienced birds. d. Repeat, but count survivors for three weeks. e. Conduct all of these
Rodents are the normal hosts for which of the following encephalitis viruses?
A) eastern equine encephalitis (EEE) B) St. Louis encephalitis C) Venezuelan equine encephalitis (VEE) D) western equine encephalitis (WEE) E) West Nile virus