____ conduct(s) electrical signals away from the cell body of a neuron
a. An axon terminal
b. An axon
c. An axon hillock
d. The nucleus
e. Dendrites
B
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The formation of peptide bonds during translation is catalyzed by peptidyl transferase, an enzyme that
is
a. a protein in the small ribosomal subunit. b. part of an rRNA in the small ribosomal subunit. c. part of an rRNA in the large ribosomal subunit. d. a protein in the large ribosomal subunit. e. carried to the growing peptide chain by a tRNA
A sticky structure adapted to receive pollen is a(n) ____
a. style b. stigma c. anther d. filament e. corolla
Each cell is able to maintain a constant internal
environment. This condition is called a. metabolism. b. homeostasis. c. physiology. d. adaptation. e. evolution.
Pathogens may be attenuated for use in vaccines by
A) raising the pathogen for several generations in tissue culture cells. B) genetic manipulation. C) treatment with formaldehyde. D) genetic manipulation coupled with treatment with formaldehyde. E) genetic manipulation and/or raising the pathogen for several generations in tissue culture cells.