Phage-encoded proteins are
A. coded for by host DNA.
B. coded for by phage DNA.
C. proteins normally present in the uninfected cell.
D. early proteins.
E. coded for by phage DNA AND early proteins.
E
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Genetic drift has an especially significant effect in what kind of populations?
A. populations that are large B. populations that are small C. populations with high genetic variability D. populations that are in Hardy-Weinberg equilibrium E. populations that are migrating
The Three-Domain System of classification is based on differences in which one of the following molecules?
A) mRNA B) peptidoglycan C) rRNA D) tRNA
If a particular trait has three phenotypes and one phenotype represents an intermediate, this
trait displays __________.
a. incomplete dominance b. codominance c. recessive alleles d. dominant alleles
Under the right conditions, which type of selection is most likely to lead to the formation of new species?
a) stabilizing b) frequency-independent c) frequency-dependent d) disruptive e) directional