How many amino acids are essential?

a. 8
b. 9
c. 11
d. 20


Ans: b. 9

Nutritional Science

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a. Muscle b. Bone c. Nerve d. Epithelial

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One difficulty with reward models of addiction is that they are unable to explain why:

What will be an ideal response?

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The use of corticosteroids, systemic inflammation, smoking, vitamin D deficiency, low BMI, low fat-free mass, and decreased mobility increase the incidence of _______________ in people with COPD.

Fill in the blank(s) with the appropriate word(s).

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Signs and symptoms of scurvy include loose teeth, bone pain, and fractures.

a. true b. false

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