At a neuromuscular junction, the neurotransmitter released by the motor neuron is ________
a. epinephrine
b. acetylcholine (ACh)
c. serotonin
d. dopamine
b
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Acyclovir is an antiviral chemical that resembles a nucleotide but lacks a 3' OH group and cannot form phosphodiester bonds. Why is Acyclovir useful in treating some viral infections?
A. Acyclovir stops viral protein synthesis. B. Acyclovir halts viral DNA replication. C. Acyclovir blocks the assembly of viral cell capsules. D. Acyclovir hydrolyzes viral polysaccharides.
Automated nucleotide sequencing machines detect DNA bands by laser induced ________.
Fill in the blank(s) with the appropriate word(s).
A cinereous mourner bird’s chicks resemble the poisonous larvae of flannel moths. This is an example of____
a. aposematic coloration b. Müllerian mimicry c. competitive exclusion principle d. cryptic coloration e. Batesian mimicry
The three parts of interphase, in order, are ____________________, ____________________, and
____________________. Fill in the blank(s) with the appropriate word(s).