Greg remembered a recent dream in which his girlfriend suddenly grabbed the wheel of his speeding car to prevent him from driving off the edge of a cliff. Greg's therapist suggested that the dream might be a representation of the girlfriend's frantic efforts to save the couple from sexual disaster. According to Freud, the therapist was attempting to reveal the ________ of Greg's dream.

The molecular structure of peptide hormones involves

A) four interconnected rings of carbon atoms. B) short chains of amino acids. C) long chains of amino acids. D) modified tyrosine molecules.

As compared to earlier times, physical development during middle childhood is best described as ____

a. "Bodies are stronger and immune systems are better developed." b. "Bodies are much more susceptible to disease and illness." c. "Bodies are much pudgier with a higher body mass index." d. "Bodies are much weaker and immune systems are stressed and taxed."