Which of the following drugs has been discovered to bind to acetylcholine receptors?  

A.  serotonin reuptake inhibitors
B.  thorazine
C.  cocaine
D.  codeine
E.  nicotine


E.  nicotine

Biology & Microbiology

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An example of evolutionary divergence is best characterized by Darwin's observation of ____

a. fossils along the coast of Argentina b. body armor similarities between armadillos and fossilized glyptodonts c. differences in appearance between nutria and beaver d. differences in bill shape and food habits of finches e. genotypic and phenotypic variability of species

Biology & Microbiology

The first fungi were most likely ____

a. airborne b. terrestrial c. arboreal d. aquatic e. amphibious

Biology & Microbiology

Certain new cancer therapies deal with the inhibition of angiogenesis (formation of blood vessels). How would inhibition of blood vessel formation be beneficial in terms of treating cancer?

What will be an ideal response?

Biology & Microbiology

The sori of most ferns are found on which part of the plant?

a. fronds b. prothalli c. rhizomes d. antheridia e. fiddleheads

Biology & Microbiology