A receptor is the point at which a(n) ________ of the nerve occurs

All of the following are potential proto-oncogenes except:

a. Proteins that function as growth factor receptors b. Proteins that bind DNA c. Growth factors d. Proteins that neutralize growth factor receptors

Other than intentional injections of illicit drugs, MOST injected poisonings result from:

A) accidental needle sticks. B) bites and stings of insects and animals. C) rusty nails. D) infected wounds.