As an epigenetic mechanism, methyl groups __________.
A. have no impact on the expression of genes
B. alter the sequence of letters in the DNA code
C. attach to DNA and reduce the expression of some genes
D. are present in DNA due to rare mutations
Answer: C
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How do researchers know that infants can integrate touch and vision early in life?
A. After infants are allowed to suck on either a smooth or a bumpy pacifier, they prefer to look at the one they had previously sucked on. B. Infants like to touch soft items when compared to hard items. C. Infants reach for a toy and try to put the toy in their mouth. D. After infants see an object, they will show a preference for that object in pictures.
Equipment to measure physiological activity during sexual activity was used by
A) Kinsey. B) Freud. C) Skinner. D) Masters and Johnson.
In which stage of the general adaptation syndrome has the body reached the limits of its ability to adapt to stress, which may result in the development of stress-related diseases?
A) alarm B) collapse C) exhaustion D) resistance
Personality is defined as
A. a stable set of behavioral and experiential characteristics of an individual. B. a set of distinguishable displays or patterns of behavior and experience. C. enduring patterns of behavior and inner experience that deviate markedly from the expectations of the individual’s culture. D. a consistent set of beliefs about the world.