Genes are segments of chromosomes, which are composed of

When a cell is "at rest," it is in a state called the

a. stopping point. b. obcipitation junction. c. resting potential. d. action potential. e. refractory potential.

The criteria for clinical depression includes all of the following EXCEPT

A) changes in appetite. B) sleep problems. C) increased interest in activities. D) feelings of worthlessness.