Units of heredity that maintain their structural identity from one generation to another are known as ____.

A. enzymes
B. mutations
C. nucleic acids
D. genes


Answer: D

Psychology

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Yongmei is studying for her math test. Her boyfriend Marcus asks if she can go to the movies with him. She would love to go but she knows she has to study for the math test in order to pass the class

What part of Yongmei's personality will say "You must stay home and study because passing the class is necessary for you to graduate"? a) her ego, because it is the moral conscience of her personality b) her id, because studying is what she really wants to do c) her libido, because she knows her boyfriend will love her more if she studies d) her superego, because it is this part of the personality that is the moral conscience

Psychology

Which of the following children is NOT characteristic of a child who understands the

concept of object permanence? a. Katie, who is just beginning to think symbolically b. Wahid, who is organizing schemas around words c. Tawny, who understands that "out of sight" does not always mean "out of mind" d. Tenisha, who searches for hidden objects in their last known locations e. Phong, who can anticipate the future position of a moving object

Psychology

The Thematic Apperception Test (TAT) and the Rorschach are ________ tests of personality.

A. reflective B. projective C. self-report D. objective

Psychology

The adolescent growth spurt:

A. generally begins two years earlier for girls than for boys. B. generally begins two years earlier for boys than for girls. C. is slower in the early adolescent years, then speeds up around age 15 for boys and girls. D. proceeds along a smooth and rapid course over the teen years.

Psychology