Dr. Basso investigates the role of environmental toxins on aging. She discovers that several common food preservatives accelerate the aging process. Dr. Basso proposes a new model of aging that fits within the ____.
A. exogenous theories of aging
B. cellular-damage theories of aging
C. heterologous theories of aging
D. programmed theories of aging
Answer: B
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Research on sexual activity of older adults shows that
a. the four stages of sexual response are a little slower and a little less intense compared to their younger counterparts. b. the lack of desire is by far the most common complaint of men. c. the desire to have sex is highest in middle adulthood. d. sexual desire is driven by testosterone for men, but not for women.
Severe stress experienced by a pregnant woman during the ________ trimester might increase the chance of a male child becoming homosexual
a) first b) second c) third d) any
Detecting "environmental stimulation" is one way to define __________.
A. perception B. feeling C. sensation D. awareness
When a gene is activated, a specific DNA segment is unraveled and transcribed onto:
a. ribosomes. b. transcription factors. c. neurotrophins. d. RNA.