Four of the five processes below are agents of microevolutionary change. Select the exception
a. mutation
b. genetic drift
c. natural selection
d. random mating
e. gene flow
D
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The entire DNA sequence of a species is called its ________________.
Fill in the blank(s) with the appropriate word(s).
How is translation initiated?
A. Two ribosomal subunits bind to the DNA sequence. B. Two ribosomal subunits bind to the mRNA transcript. C. DNA helicase binds to the origins of replication. D. RNA polymerase binds to the promoter sequence.
Which vitamin functions in forming blood clots?
a. A b. E c. K d. B e. none of these
How are receptor tyrosine kinases and steroid hormone receptors similar?
A. Both are transmembrane proteins with a single transmembrane domain B. Both have a site for binding ligand C. Both are activated by autophosphorylation D. Both have a DNA-binding domain