Proteins that act as biological catalysts and speed up chemical reactions are
A) buffers. B) hormones. C) enzymes. D) antibodies.
C
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Which of the following accurately describes beverage intake by adolescents?
a. Soft drinks have been replaced with sweetened fruit juices. b. Milk is typically used as a snack, not a mealtime beverage. c. Males typically drink more milk than females. d. Drinking two cans of caffeinated soft drinks in a day can cause sweating and an inability to concentrate. e. Soft drinks are typically consumed in addition to milk, not instead of it.
The special proteins that inactivate foreign bacteria and viruses are ____
a. enzymes b. antibodies c. hormones d. structural proteins e. transport proteins
At birth, total body water accounts for approximately 75% of the infant's weight
a. True b. False Indicate whether the statement is true or false
What substance neutralizes the acidic chyme once it enters the small intestine?
a. Amylase b. Pepsin c. Bile d. Bicarbonate e. Glycogen