The movement of an action potential along a neuron is most like ________
A) the ripples created by dropping a pebble into a pond, gradually decreasing in size as the waves spread apart
B) a crowd at a sporting event doing the wave around a stadium
C) a radio tower emitting a signal that reaches only a small region
D) the sound of your voice spreading out as you yell loudly to your friend while at a park
B
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In a temperate zone lake, what should the temperature profile be immediately after the fall overturn?
A. coldest water at the top, 4° C water at the bottom B. warmest water at the top, 4° C water at the bottom C. 4° C water throughout D. 10° C water throughout E. 4° C water at the top, coldest water at the bottom
Mitochondria move from the cytoplasm into mitochondria using _____
Proteins coded for by nuclear DNA but found within A) signal sequences (peptides) B) random transport vesicles C) attachment of ribosomes to outer mitochondrial pores and direct deposition into the inner mitochondrial compartment D) mRNAs that are manufactured in the nucleus, but translated by mitochondrial ribosomes
A cell that is not actively dividing is in what phase of the cell cycle?
A. G1 B. G0 C. G1' D. Gnull
A round bacterial cell is called ________
a. columnar b. bacillus c. coccus d. cuboidal e. spirillum