A graded, subthreshold change in the postsynaptic membrane potential that moves it toward threshold is called a(n)
____.
a. IPSP
b. hyperpolarization
c. EPSP
d. depolarization
e. repolarization
ANSWER: c
Biology & Microbiology
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The enhancement of a response to a stimulus following a novel pre-stimulus is called ____
Fill in the blank with the appropriate word.
Biology & Microbiology
Approximately ________ million years ago the amniotes branched off from their amphibian ancestor
a. 300 b. 250 c. 355 d. 180 e. 425
Biology & Microbiology
In this figure, the F1 generation shows mating of resistant bollworms ( ) with susceptible heterozygous ( ) bollworms.
A. Rr; RR B. Rr; rr C. RR; rr D. rr; Rr E. rr; RR
Biology & Microbiology
Proteins that are loosely associated with the cytoplasmic membrane are called ________ proteins.
A. integral B. peripheral C. external D. internal
Biology & Microbiology