If the allele or genotype frequencies deviate from the values predicted by the Hardy–Weinberg principle, the
population is:
a. growing.
b. mutating.
c. migrating.
d. evolving.
e. at equilibrium
d
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Which of the following is true of the Sanger sequencing method?
A. It requires an RNA template to copy. B. It incorporates dNTPs using an RNA polymerase. C. It requires a primer for the polymerase; the primer is radiolabelled so the sequences generated can be visualized. D. It requires chain terminating ddNTPs which lack a 2'OH and are thus unable to form a bond with the next nucleotide. E. The sequencing reaction products are separated by affinity chromatography.
Which of the following eukaryotic RNA polymerases is responsible for transcribing ribosomal RNAs (rRNAs)?
A. RNA Pol I B. RNA Pol II C. RNA Pol III D. RNA Pol I and RNA Pol III E. RNA Pol II and RNA Pol III
Which two animals have no distinct circulatory system?
a. grasshopper and fish b. grasshopper and hydra c. hydra and fish d. sponge and fish e. sponge and hydra
At night, the stomata of most plants will ________
a. regulate the diffusion of nitrogen b. open c. close d. close to prevent the loss of oxygen from the leaf e. regulate the diffusion of carbon dioxide