The genome of a virus can be
a. DNA or RNA
b. DNA and RNA
c. DNA only
d. RNA only
Answer: a. DNA or RNA
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All mRNA transcripts begin with
a. methionine. b. a ribosome. c. AUG. d. the P site. e. an anticodon.
In an unstimulated neuron, the plasma membrane is most permeable to ________ ions
A) sodium (Na+) B) sugar C) calcium (Ca2+) D) potassium (K+) E) chloride (Cl?)
Farmers spray seedless grape plants with synthetic __________, which increases the size of the resulting fruit.
Fill in the blank(s) with the appropriate word(s).
As the glaciers continue to melt with increasing global temperatures, some forms of bacteria that are more than 1 million years old have begun to reanimate. Which feature of prokaryotes help them in this process:
a. endospores b. binary fission c. plasmids d. conjugation e. cytoplasmic streaming