Which sequences of RNA are spliced into functional mRNA and sent to a ribosome for translation?
a. promoters
b. terminators
c. exons
d. introns
c. exons
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The stage of viral replication in which the host cell produces viral nucleic acids and proteins is:
a. Release b. Attachment c. Synthesis d. Penetration e. Assembly
Which land plants are the only ones to make true flowers and fruits?
a. angiosperms b. bryophytes c. gymnosperms d. seedless vascular plants
You are given a pill in a scientific trial that looks identical to a pill containing an active ingredient, but your pill does not contain an active ingredient. The pill you were given is called a(n):
A) treatment. B) aspirin. C) tablet. D) narcotic. E) placebo.
Some species of tropical fireflies mimic the luminescent mating signals of females of a related species and will prey upon the males that have been attracted by the fake signal. How would you classify this behavior?
Is it Batesian mimicry, Müllerian mimicry, a third form of mimicry, or no mimicry at all? Briefly justify your answer. What will be an ideal response?