The human brain and other nerve tissues use mostly ________ as fuel.
A. fructose
B. glucose
C. protein
D. ethanol
Answer: B
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In the United States, how much cropland is used to produce feed for livestock?
a. less than what is used to produce grain for people b. more than what is used to produce grain for people c. more than the size of the whole continent of Africa d. less than what is needed to feed all the people of Europe e. more than the surface area of all the oceans combined
The energy content of breast milk in women who deliver pre-term infants is _____ kcal/100 mL
a. 15-25 b. 30-37 c. 40-48 d. 58-70 e. 72-120
What function does a buffer perform?
a. It helps emulsify fats. b. It helps maintain a constant pH. c. It facilitates chemical reactions. d. It helps protect against plaque buildup. e. It prevents degradation of proteins.