What benefit do legumes derive from Rhizobium?
a. help make carbon dioxide more available
b. increase root surface area
c. nitrogen fixation
d. protection from predators
e. retain water so it is more available to the plant
ANSWER: c
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A. simple B. negative C. selective D. differential
Another term for a triplet code is ________
A) an enhancer B) a promoter C) tRNA D) a factor E) a codon
Competitive and noncompetitive enzyme inhibitors differ with respect to
A) the precise location on the enzyme to which they bind. B) the temperature at which they work best. C) their pH. D) their energies of activation.
Which is NOT true regarding temperate phages?
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