The functional units of heredity that are located on chromosomes, are composed of DNA, and specify the structure of proteins are called:

Analyzing many studies about attractiveness worldwide, social scientists conclude that they reflect what kind of exchange in mating relationships?

a. Reciprocity for beauty b. Older men for younger women c. Younger and better looking d. Looks for status

The book suggests that, to say the least, the term consciousness is

a. cogent. b. precise. c. ambiguous. d. tangible.