Why are sugar, phosphate, and nitrogen bases important to DNA molecules?
A. Because they are what DNA molecules are composed of
B. Because DNA molecules react to each of these
C. Because, together, these counteract DNA molecule functions
D. Because DNA molecules "feed" on these proteins
Answer: A
Psychology
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The physical changes related to sexual maturation take place during several years. This period of time is called:
A) adolescence. B) puberty. C) teenage. D) youth.
Psychology
In addition to topical areas, child development is organized by chronological periods based on
a. legal events, i.e., getting a driver's license. b. arbitrary but designated age ranges. c. biological events, i.e., digestion and elimination. d. clear and precise age ranges that are consistent for everyone.
Psychology