Metabolism is
A. a way of living.
B. the total of all chemical changes that occur in cells.
C. the rate at which cells produce energy.
D. a form of energy.
Answer: B
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A(n) _____ is a substance that is specifically bound by an antibody or lymphocytes.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements indicates what will occur if you consistently add extra calories from alcoholic beverages to a diet that is already meeting your daily caloric needs?
A) You will remain at the same weight because the calories in alcohol are negligible. B) You will lose weight because alcohol raises your metabolism. C) You will gain weight because the extra calories are converted to fat. D) It depends on whether the alcohol beverages consumed are wine or beer.
Gastric juices provide the primary digestive enzymes in the small intestine
a. True b. False Indicate whether the statement is true or false
Which of the following substances are the end products of protein digestion?
A. Amino acids B. Ammonia molecules C. Carbon skeletons D. R-groups