When Comparing Domains and Structural Motifs,which of the Following Is

question 24

Multiple Choice

When comparing domains and structural motifs,which of the following is NOT true?

• A)Motifs are found in secondary structures,while domains are found in tertiary structures.
• B)Helices are observed in motifs and domains.
• C)Structural domains appear in different proteins with similar functions,while structural motifs have been less conserved over evolution.
• D)A domain may be repeated in the same protein,but multiple copies of the same motif are rare.

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Definitions:

Arc Elasticity

A method for calculating elasticity between two points on a demand curve using the midpoint formula.

Wheat Demand

The total quantity of wheat that consumers are willing and able to purchase at a given price level.

Price Elasticity of Demand

A measure of the responsiveness of the quantity demanded of a good to a change in its price.

Bushel of Wheat

A unit of measure for volumes of dry commodities, typically used in agriculture for wheat, equivalent to approximately 35.24 liters.