A team of biologists develop a new drug, and one team member hypothesizes that the drug is incapable of freely passing across the plasma membrane and requires the help of membrane proteins to enter cells. Alternatively, another biologist on the team hypothesizes that the drug can diffuse passively across the plasma membrane like and can. Which of the following, if true about the drug, best supports the alternative hypothesis that the new drug will exhibit simple diffusion across plasma membranes?a. The drug is a small nongoiar moleaule. b. The drug is a small charged moleoue. c. The drug is a large polar molecule. d. The drug is a large charged molecule.
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Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
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Biology, 22.06.2019 02:30
In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring
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A team of biologists develop a new drug, and one team member hypothesizes that the drug is incapable...
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