Which terms refer to the movement of water across a membrane from an area of lower solute concentration to a region of higher solute concentration?
a. both endocytosis and active transport
b. both diffusion and endocytosis
c. both active transport and osmosis
d. both diffusion and osmosis
Ans: d. both diffusion and osmosis
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Pathogenicity islands are typically associated with
A. G+C content similar to the rest of the bacterial genome. B. genes encoding rRNA. C. genes encoding tRNA. D. None of the choices are correct.
Of the following, which is the last step in the production of a recombinant DNA plasmid?
A) cloning B) using DNA ligase to join DNA fragments C) cutting the gene of interest into fragments D) allowing the reproduction of the bacterium bearing the recombinant plasmid
Which of the following develops the greatest pressure on the blood in the mammalian aorta?
A) systole of the left atrium B) diastole of the right ventricle C) systole of the left ventricle D) diastole of the right atrium
What non-medical uses of genetic testing have proliferated?
a. Sealing the paternity of parents to there children. b. Freeing wrongfully convicted individuals. c. Securing convictions in decades old “cold” cases. d. All of the above.