During cell division in a zygote, one cell divides and forms a heart cell and another cell divides and forms a brain cell. Which of the following best describes the process that is taking place?
A) differentiation
B) implantation
C) fertilization
D) ovulation
A) differentiation Differentiation is the important process whereby each new cell, as it divides, forms a particular structure.
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Alan can't tell you the sequence of motor movements involved in hitting a golf ball because that information is stored in:
A. hierarchical knowledge B. episodic knowledge C. semantic knowledge D. procedural knowledge
Individuals who have experienced severe trauma or victimization may experience debilitating anxiety reactions months and years after the actual traumatic experience. For example, disaster victims or war veterans often have their first symptoms many months after the actual events. These patients are diagnosed as suffering from
a. generalized anxiety. c. post-traumatic stress disorder. b. neurosis. d. acute distress disorder.
Evolutionary psychologists suggest that mate selection and what people find attractive in
the opposite sex vary with gender because a. males and females differ in their investments in reproduction and childrearing. b. of gender differences in perception. c. one gender matures earlier than the other. d. it is better adapted to mating than the other. e. of the different life spans of the genders.
The ______ Amendment protects against cruel and unusual punishment.
A. Sixth B. Seventh C. Eighth D. Fourteenth