When you exercise, your body uses glycogen to maintain blood glucose levels. Which vitamin acts as a coenzyme during this process?
A. folate
B. vitamin B12
C. vitamin B6
D. biotin
Answer: C
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Females reach their full adult height earlier than males do
Indicate whether the statement is true or false
The need for B-complex vitamins increases during pregnancy because of increased:
a. iron needs. b. hemoglobin synthesis. c. vitamin excretion. d. metabolic activities.
Jack is confused about whether to use margarine or butter. Which of the following is the best advice for him? a. Use margarine instead of butter because it contains no cholesterol and protects against heart disease. b. Use butter instead of margarine since margarine contains trans-fatty acids, which are harmful
c. Choose soft or liquid margarine that contains 0 grams of trans fat instead of hard margarine or butter. d. Eliminate both butter and margarine from your diet. e. Use lard as an alternative, because both margarine and butter are more harmful.
Which of the following substances are the end products of protein digestion?
A. Amino acids B. Ammonia molecules C. Carbon skeletons D. R-groups