Scientists have discovered that the human genome contains about 21,000 genes and

a. each gene holds the instructions to make one protein.
b. each gene can make more than one protein.
c. most of these genes are turned off throughout development.
d. most of these genes are turned on at birth and remain on.


Answer: b. each gene can make more than one protein.

Psychology

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The memory system that psychologists sometimes describe as an "inner voice" is:

a. echoic memory b. short-term memory c. procedural memory d. episodic memory

Psychology

Chua, Boland, and Nisbett presented American and Chinese participants with pictures of a figure, such as a tiger, placed on a ground, such as a jungle, and monitored their eye-movement patterns. The Americans tended to focus their eye movements

a. haphazardly. b. in a structured and coordinated way. c. on the figure (the tiger). d. on the ground (the jungle).

Psychology

Because physical qualities and demographics are also important in identifying criminals, some investigators prefer to use the term _________ profile

A. psychic B. holistic C. sociopsychological D. hierarchical

Psychology

The leading cause of death in the United States among all persons aged 1 to 44 is

a. heart disease b. cancer c. suicide d. homicide e. accidents

Psychology