A difference in DNA sequence that occurs in a population is called
a) an allele.
b) a genotype.
c) a phenotype.
d) a polymorphism.
d
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Which of the following is not a characteristic of REM sleep?
A. Lowered blood pressure compared to other stages of sleep B. Highly active brain activity C. Eyes moving rapidly behind closed eyelids D. Dreaming
Experiments where children are social isolated are not done because of ____________________ issues
Fill in the blank(s) with correct word
Performance on a(n) __________ task is likelyto improve given the presence of others,
whereas performance on a(n) __________ task is likely to become impaired with others present. a. simple; difficult b. as yet unmastered; simple c. familiar; unfamiliar d. physically demanding; physically challenging e. difficult; simple
For Popper, a nonscientific theory:?
a. ?is insignificant b. ?is unimportant c. ?can still be useful d. ?is especially useful