Dan Is a Body Builder

question 47

Multiple Choice

Dan is a body builder. He decides that he is going to change his diet in an effort to increase his muscle mass. Dan tells you that he plans to eat vegetables and proteins but no fats or carbohydrates, because cells do not naturally contain these molecules and do not need them. You advise Dan that his new diet is not a good choice, and that he would do better to follow a well balanced diet that incorporates healthy amounts of proteins, fats AND carbohydrates.
-Dan asks you how his cells are able to use complex molecules such as proteins. You explain to him that proteins are macromolecules composed of ________ and that proteins can be broken down by ________, a type of reaction in which the addition of ________ breaks covalent bonds between subunits.

• A) water; hydrolysis; amino acids
• B) amino acid; hydrolysis; water
• C) monosaccharides; hydrolysis; water
• D) amino acids; dehydration synthesis; water
• E) monosaccharides; dehydration synthesis; water

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Definitions:

Substitution Price Elasticity

A measure of how much the quantity demanded of one good responds to a change in the price of another good, indicating the degree to which these goods are substitutes.

Utility Function

A numerical model that explains how a consumer gains pleasure or usefulness from using goods and services.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, holding the consumer's utility level constant.

Income Effect

The alteration in the income of a person or the economy, and its effect on the amount of a product or service that is requested.