Which of the following statements identifies the process of mitosis?
A. Chromosome pairs align and DNA segments crossover, moving from one member of the pair to the other.
B. DNA splits and each half of the DNA molecule regenerates and replaces it's missing parts, forming two distinct cells.
C. Each cell in mitosis contains only half of the chromosomes that the original cell had.
D. Cells match up with other cells that contain different DNA and merge into one balanced cell.
Answer: B
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a. ?analytical and anecdotal b. ?accidental and purposeful c. ?controllable and uncontrollable d. ?predictive and causal
Which of the following brain structures has not been found to be involved in the initiation of aggressive behaviors?
a. The putamen b. The cingulated gyrus c. The striate nucleus d. The limbic system
A strategy used for sex therapy is to determine patterns of sexual arousal.
a. true b. false
For a long time, Bob regularly approached his boss to offer what he thought were useful suggestions regarding ways to improve the department in which he worked. However, Bob’s boss always ignored him and Bob eventually stopped offering suggestions. One day, Bob’s boss moved to a new company, and Bob found himself with a new boss. However, Bob continued to never offer any suggestions. Which psychological phenomenon best helps to account for Bob’s behavior?
a. bystander effect b. helplessness c. social anxiety d. self-presentational motivation