You're designing a new drug to treat allergies. You'd like for your therapy to be able to dissolve through the lipid bilayers of cell membranes; therefore, ________ molecules will make excellent drug choices.
A. ionic
B. polar
C. radioactive
D. electrolyte
E. non-polar
Answer: E
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The largest and most numerous of the glial cells in the central nervous system are the
A) astrocytes. B) Schwann cells. C) oligodendrocytes. D) microglia. E) ependymal cells.
Which condition would result in the lowest alveolar ventilation rate?
a. quiet breathing b. a normal respiratory rate and normal tidal volume c. a low respiratory rate and high tidal volume d. a high respiratory rate and very low tidal volume e. a low respiratory rate and very low tidal volume
If you have three threads laying on top of each other on a slide and you are focused on the top-most thread, then ________
A) all three threads should be in clear focus B) you are ready to rotate the ocular lens C) neither the middle nor the bottom-most thread will be in clear focus D) the middle thread will also be in clear focus
The filtration membrane prevents blood cells and proteins from entering the Bowman capsule on the basis of size and protein type
Indicate whether the statement is true or false.