Which of the following amino acids doesn’t belong to essential amino acids?
A. Methionine
B. Isoleucine
C. Valine
D. Cysteine
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Which type of grain is the healthiest and contains the most natural nutrients?
A. enriched grains
B. refined grains
C. multi-grains
D. whole grains
An individual who eats only plant food is referred to as a
A. planetarium
B. vegan
C. lactovegetarian
D. lactoovovegetarian
The following foods are good sources of protein except for?
A. meat
B. dairy
C. grain
D. soybean
Positivenitrogen balance occurs during starvation, illness and injury.
A. 对
B. 错