A(n) _______________ is a substance that binds to site on a protein and causes a conformational change in the protein, but neither activates nor prevents activation of the protein.

A. and W. are brothers and work together. A. owns a cleaning business and his brother W. helps when the jobs are too big for A. to do alone. These brothers most likely live in a(n) _____________ culture

a. collectivistic b. individualistic c. conventional d. caste

________ is a new-generation drug used to treat narcolepsy

Fill in the blank with the appropriate word.