The saliva component that begins the breakdown of carbohydrates is ____
a. mucin
b. salivary amylase
c. water
d. pepsin
e. bicarbonate
ANSWER: b
Biology & Microbiology
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A. juxtacrine B. paracrine C. autocrine D. endocrine E. All of these choices are correct.
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About half of all Americans rely on ___ for
their drinking water.
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a. 72 b. 84 c. 120 d. 150
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