Equilibrium is sensed by
a. chemoreceptors.
b. mechanoreceptors.
c. photoreceptors.
d. thermoreceptors.
e. none of these
B
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Translation ends when a stop codon is at the ____ site, allowing a ____ to bind there
a. P; release factor b. A; terminator tRNA c. E; terminator tRNA d. A; release factor e. P; terminator tRNA
The actions of insulin and glucagon are
a. synergistic. b. antagonistic. c. cooperative. d. permissive. e. mutualistic
Which bioremediation approach involves using plants to degrade pollutants?
A) Composting B) Land farming C) Biopile D) Phytoremediation E) None of these choices
C-myc becomes an oncogene in Burkitt's lymphoma and several plasmacytomas by
A. a point mutation. B. a duplication. C. a translocation to the immunoglobulin heavy chain locus. D. a deletion of a regulatory sequence. E. stimulation by a tumor promoter.