Which of the following is a characteristic of a virus?
A. It moves independently throughout the body.
B. It alters its genetic structure to match with a host.
C. It reproduces outside a host cell.
D. It is a protein-coated gene package.
Answer: D
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The correlation found between intelligence of siblings reared together and apart suggests that ______ plays a role in determining IQ scores
a. heredity c. heredity and environment b. environment d. socioeconomic class
Jake is an only child. He often pretends to have an imaginary brother, "Jack," who plays with him. Jake's play shows
A) expression of needs. B) reversal of roles. C) outlet for forbidden impulses. D) parallel play.
Very-late-onset schizophrenia-like psychosis develops after the age of 65 and
A) is caused primarily by genetic abnormalities. B) is characterized by more negative symptoms. C) symptoms appear after a person has a stroke, tumor, or other neurodegenerative change. D) there is evidence that as children patients experienced greater rates of maladjustment.
The ________ is the large bundle of axons that connects the brain's two hemispheres and is responsible for relaying information between the two sides.
A. corpus callosum B. association cortex C. hypothalamus D. neocortex