The number of different amino acids that make up human proteins is:

a. 9.
b. 13.
c. 15.
d. 20.


ANS: D

Nutritional Science

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____________________ refers to the maintenance of constant internal conditions (such as blood chemistry, temperature, and blood pressure) by the body's control systems

Fill in the blank with correct word

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Several well-defined cancers have a clearly established genetic inheritance based on mutations in a single gene.

Answer the following statement true (T) or false (F)

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A child with beaded ribs is likely deficient in which vitamin?

a. A b. B12 c. C d. D e. E

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