An ________ is a compound that speeds up (catalyzes) a chemical reaction.
A. organelle
B. acid
C. anion
D. enzyme
Answer: D
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What element makes protein different from carbohydrate and fat?
A) oxygen B) nitrogen C) carbon D) hydrogen
One of the hottest areas of debate regarding the interplay between ethics and genetics has to do with direct-to-consumer marketing of _______________.
Fill in the blank(s) with the appropriate word(s).
Which of the following would not be experiencing a positive nitrogen balance?
a. a woman 2-months pregnant b. adolescent girl c. a male who is gaining weight d. burn patient
What three factors comprise the female athlete triad?
A) Pica, increased physical performance, and decreased bone mass B) Eating disorders, menstrual cycle dysfunction, and decreased bone mass C) Dieting to lose weight, decreased body fat, and increased physical performance D) Increased muscle mass, irregular menstrual function, and a high-calorie diet