The set of blood vessels with the lowest blood pressure driving flow is
A) the arteries.
B) the arterioles.
C) the metarterioles.
D) the capillaries.
E) the veins.
Answer: E) the veins.
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Watson and Crick describe the relationship between ________ as a directional flow of information called the "central dogma".
A) nucleic acids and proteins B) enzymes and proteins C) peptides and polypeptides D) DNA and RNA
What is being described? A polymer of nucleotides
What will be an ideal response?
You discover two species of sponge, one red and one blue, near a deep sea vent. You genetically engineer the red sponge to produce the same CAMs as the blue sponge. You then take each sponge-the blue sponge and the engineered sponge-dissociate their cells, and mix the red and blue cells together. Which of the following will you most likely observe?
A. a bunch of red and blue cells that stay dissociated B. one sponge with alternating red and blue layers of cells C. one blue sponge and one red sponge D. one sponge with blue cells and red cells randomly distributed E. one sponge with a red side and a blue side
A person is infected with HIV. The individual is treated with several drugs, including azidothymidine (AZT). Which of the following is the most immediate effect of this drug?
A. It allows reverse transcriptase to proofread, and this will allow successful treatment with a vaccine. B. It does not allow the viral genome to become integrated into the host genome. C. It does not allow the virus to make a DNA copy of its genome. D. It inhibits formation of the capsid. E. It inhibits budding, as it is the reverse of the process by which HIV enters a cell.