Which nutrients are required in higher amounts during pregnancy due to their roles in the synthesis of red blood cells??
A) ?protein and chromium
B) ?folate and vitamin B12
C) ?calcium and vitamin A
D) ?vitamin E and vitamin C
B
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Which of the following is a nucleotide base in DNA?
A) isoluciene B) threonine C) valine D) cytosine
Why are dark-skinned children who live in smoggy northern cities likely to develop rickets?
Nearly all of our metabolism and physiology are the same as that of our ancestors who lived more than 10,000 years ago
a. True b. False Indicate whether the statement is true or false
When cooking green beans, Lenny likes to add baking soda to the cooking water, because it keeps the color of the beans from turning olive green. As a result of this practice, Lenny's green beans have ________ than green beans cooked in plain water.
A. less vitamin C B. fewer kilocalories C. greater fatty acid content D. more essential amino acids