Remembering that the Greek prefix epi- means "on top of" or "in addition to," which of the following is the correct definition of the term "epigenetics"?

a. The study of stable changes in the expression of a particular gene that occur without changes in DNA base sequences
b. The study of ephemeral effects on genetic expression that do not affect DNA nor the environment
c. The study of DNA over and above its effect on growth and development
d. The study of DNA in larger, more complex species as well as single-cell organisms


Answer: a

Psychology

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____ is the study of the brain and the nervous system, especially in terms of brain-behavior relationships

a. Neuroscience b. Biopsychology c. Physiology d. Teratology

Psychology

The ability to perform "computer-like" mathematical calculations and other incredible skills that are sometimes associated with individuals with autism (such as seen in the character in the movie Rain Man) are a. not typical of the disorder

b. a defining symptom of the disorder. c. fairly common but not present in every autistic individual. d. a complete myth and not possible for any autistic individual.

Psychology

Rachel is studying suicide. She is surprised to learn that historically, people avoided talking about suicide because of the ____

a. shame and stigma involved in taking one's life b. pain of losing a loved one c. lack of available statistics to make a discussion meaningful d. aura of honor bestowed on people who take their own lives

Psychology

At what age should sexually active women start getting screenings for chlamydia and cervical cancer?

a) 21 b) 35 c) 45 d) 50

Psychology