How many different nucleotide bases are there in DNA?

A) l
B) 2
C) 4
D) 7
E) 26


Answer: C

Psychology

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MDMA creates a euphoric rush and warmth by:

A. releasing large amounts of endorphins B. releasing large amounts of serotonin and dopamine and they stimulate the brain's pleasure centers. C. blocking the reuptake of endorphins D. blocking adenosine receptors

Psychology

Teaching a child to read and helping others in a mutual help group are examples of ____ . Voicing concerns at a school board meeting and voting in an election are examples of ____

a. social support; critical awareness b. community service; leadership c. community service; citizen participation d. referent power; integrative power

Psychology

In an investigation of over 120,000 New York City births, babies born even 1 to 2 weeks early __________ than children who experienced a full-length prenatal period

A) showed lower reading and math scores at a third-grade follow-up B) were less likely to suffer from childhood obesity C) were less likely to suffer from neurological impairments D) showed higher language and social/emotional scores in early childhood

Psychology

According to Bowlby, around age 4, children begin to demonstrate a more generalized form of

attachment which he termed a. goal-corrected partnership. b. secure-partnership. c. generalized attachment. d. family-dependent relationship.

Psychology