Proteins are classified as macronutrients because they:
A) have large molecules.
B) are the primary source of energy for the body.
C) help maintain the water balance in the body.
D) need to be consumed in large quantities.
D
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Supplements of which nutrient may be needed for older adults since aging reduces the skin's ability to make it and the kidney's ability to convert it to its active form, and since older adults need more of it to improve both muscle and bone strength?
a. iron b. folate c. calcium d. vitamin C e. vitamin D
A gene is
A. a section of DNA that is only used in reproduction. B. a section of DNA that contains the information necessary to produce a particular protein. C. a section of DNA that is converted to transfer RNA. D. a section of DNA that moves outside the nucleus when protein synthesis is required.
A 15 year old pregnant female who is 15 pounds overweight should gain:
a. 40 lbs b. 25 lbs c. 35 lbs d. 10 lbs
Prolactin is a hormone that _____
a. stimulates the breast tissue to release oxytocin b. causes milk to be secreted from the mammary gland ducts c. decreases estrogen production d. stimulates milk production e. stimulates development of breast tissue