The resting potential across a typical neuron membrane is approximately ____ inside relative to outside
a. -70 microvolts
b. -70 millivolts
c. -70 volts
d. +70 millivolts
e. +70 megavolts
ANSWER: b
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The part of the neuron that is a single, long extension with a branching tip, that conducts impulses to a muscle or another neuron is the
A. synapse. B. cell body. C. axon. D. dendrite. E. node of Ranvier.
A polycistronic mRNA contains multiple _______________
A) promoters B) Shine-Dalgarno sequences C) Kozak sequences D) mRNAs E) polypeptide-producing sequences
Choose the one most appropriate answer for each.
A. Taiga B. Seamounts C. Savanna D. Littoral zone E. Benthic province F. Tropical rain forest G. Hydrothermal vent H. Alpine tundra I. Estuaries J. Biome
Figure 45.15
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The photograph above of the aphid and the wasp is an example of ____.
A. mimicry B. display behavior C. warning coloration D. chemical defenses E. biological control of pests