Which of the following is mismatched?
a. sympathetic postganglionic fibers; release NE
b. parasympathetic postganglionaic fibers; release NE
c. parasympathetic preganglionic fibers; release ACh
d. sympathetic preganglionic fibers; release ACh
Answer: b. parasympathetic postganglionaic fibers; release NE
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The region in a tRNA that bonds with mRNA during translation is the ____
a. anticodon b. aminoacylation site c. TATA box d. cloverleaf e. reading frame
The animal gut cavity may be a fully lined coelom or a partially lined __________
Fill in the blank(s) with the appropriate word(s).
Fimbriae and pili differ in that
A) there are only one or two pili per cell. B) pili are used for motility. C) pili are used to transfer DNA. D) pili are used for transfer of DNA and motility. E) pili are used for attachment to surfaces.
A large sample size decreases the likelihood that an experimental result will be significant.
a. true b. false