Iron is important for optimal growth and development because it is _____
a. a cofactor for synthesis of the neurotransmitter norepinephrine
b. a cofactor for DNA synthesis
c. a structural component of cell membranes
d. a structural component of bone
b
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What are the most difficult nutrients to consume in sufficient amounts in a strict vegan diet?
a. ?calcium and iron b. ?manganese and selenium c. ?vitamins C and D d. ?zinc and potassium e. ?folate and beta-carotene
The effects of persistent malnutrition on a child’s health are largely irreversible after _____
1.1 year of age 2.18 months of age 3.2 years of age 4.5 years of age
Iron-deficiency anemia in infants and young children is related to lasting retardation in mental development
a. True b. False Indicate whether the statement is true or false
In mammalian DNA, approximately what percentage of cytosines are methylated?
a. 1% b. 2-5% c. 6-8% d. 10% e. 12-15%