Mutations That Result in Single Amino Acid Substitutions in an Enzyme

question 51

Multiple Choice

Mutations that result in single amino acid substitutions in an enzyme

• A) can have no effect on the activity or properties of the enzyme.
• B) will almost always destroy the activity of the enzyme.
• C) will often cause a change in the substrate specificity of the enzyme.
• D) may affect the physicochemical properties of the enzyme such as its optimal temperature and pH.
• E) may, in rare cases, cause the enzyme to run reactions in reverse.

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Sales Volume

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Break-even Point

The level of production or sales at which total revenues equal total costs, resulting in no profit or loss.

Dollar Sales

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Contribution Margin Ratio

A financial metric used to analyze the profitability of a product, calculated as (Sales - Variable Costs) / Sales.