According to the Dietary Guidelines , What Proportion of Grain

question 45

Multiple Choice

According to the Dietary Guidelines , what proportion of grain servings should be consumed from whole-grain sources?

• A) 100 percent
• B) 75 percent
• C) 50 percent
• D) 33 percent
• E) 25 percent

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Definitions:

Catalyst

A material that accelerates the speed of a chemical reaction without experiencing any lasting chemical alteration.

Acid Equilibrium

The state of balance between the forward and reverse reactions in which an acid donates a proton to a base.

Acid Salt

A type of salt that contains an ionizable hydrogen atom, allowing it to act as an acid under suitable conditions.

Soluble

Ability of a substance to dissolve in a solvent, forming a homogeneous mixture at a molecular or ionic level.