The Mineral Zinc Is Needed as Part of an Enzyme

question 175

Multiple Choice

The mineral zinc is needed as part of an enzyme that is necessary for:

• A)carbon dioxide transport
• B)synthesis of the matrix of bones and teeth
• C)oxygen transport
• D)normal nerve impulse transmission

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Definitions:

Baking Soda

A white crystalline compound used in baking as a leavening agent, known chemically as sodium bicarbonate.

Buttermilk

Originally the liquid leftover from churning butter, now often commercially made by adding bacteria to skim milk.

Chemical Difference

The variation in composition and properties between substances due to differences in their molecular or atomic structure.

Buttermilk

Traditionally, the liquid left after churning butter from cream; now often commercially produced by adding lactic acid bacteria to milk.