Zwitterions are amino acids that have no net electrical charge because ____

A) ?their side chains are not charged
B) ?they migrate to a neutral place in an electrical field
C) ?they are essential/indispensable
D) ?they have an amino group in their side chain


A

Nutritional Science

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The sides of the tongue have taste buds that are only able to detect sweet-tasting items.

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

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Which hormones are responsible for maintaining blood glucose levels?

A) bicarbonate and chyme B) leptin and ghrelin C) testosterone and estrogen D) glucagon and insulin

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Drying has been used as a method of preserving fruit for thousands of years.

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

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An experiment in which the participants do not know whether they are receiving the treatment or placebo but the scientists do is called a

A. disorganized study. B. double-blind study. C. single-blind study. D. cause and effect study.

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