Which of the following is true of a passive transport mechanism?
A) It includes osmosis, simple diffusion, and facilitated diffusion.
B) It is exclusively responsible for the movement of nutrients into and out of the enterocytes.
C) It requires energy to move substances across cell membranes.
D) It enables nutrients to move from a region of lower concentration to a region of higher concentration.
A
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Consumption of high levels of folate supplements can mask deficiency of
A. niacin. B. vitamin B6. C. iron. D. vitamin B12.
For meat or poultry to be labeled organic, the animals _____
a. must be given feed products that are 100% organic b. can occasionally be given antibiotics to prevent serious disease c. can be given regulated hormones to promote growth d. can be given feed products containing GMOs e. can only live in a confined area for five hours per day
The allotment for maximum sugar per day:
A. is not addressed in the most recent Dietary Guidelines for Americans B. is the same for all calorie ranges C. increases as calorie load increases D. decreases as calorie load increases
Which of the following is a result of the metabolism of energy nutrients?
a. Energy is released b. Body fat increases c. Energy is destroyed d. Body water decreases