Which of the Following Conclusions Has Been Supported by the Results

question 26

Multiple Choice

Which of the following conclusions has been supported by the results of REM sleep research?

• A) Depriving someone of REM sleep leads to severe psychological disturbances.
• B) Dreaming does have psychological benefits, but a reduced amount of REM sleep is not necessary associated with serious psychological problems.
• C) Greater than average amounts of REM sleep indicates psychological problems.
• D) Without REM sleep, it is impossible to perform stressful tasks.

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Definitions:

Epigenetics

The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences; the Greek prefix epi- means “on top of” or “in addition to.”

Gene Expression

The process by which information from a gene is used to synthesize a functional gene product, often a protein.

DNA Base Sequences

The order of nucleotide bases (adenine, thymine, cytosine, and guanine) in a DNA molecule that determines genetic information.

Gene Frequencies

The ratio of a particular allele to the total of all other alleles of the same gene in a given population.