What does insulin do?
a. It helps glucose and other nutrients enter body cells
b. It helps the intestines digest sugars and other carbohydrates.
c. It increases the rate of stomach contractions.
d. It increases blood flow to the digestive system.
a
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In addition to declining rates of disease, a primary reason for the secular trend toward earlier puberty in females is __________.
A. the increased stress of modern life B. better nutrition C. gene mutations D. exposure to hormones in animal meats
Scheduled awakenings are used to treat problems with
a. sleep deprivation. b. sleep onset. c. sleep terrors. d. sleep walking.
"The more you save, the less you spend" describes
a. a positive linear correlation. b. a negative linear correlation. c. no correlation. d. a nonlinear correlation.
The power of a statistical test refers to its ability to
a. reject false null hypotheses. b. reject false experimental hypotheses. c. reject true null hypotheses. d. reject true experimental hypotheses.