Which Graph Might You Expect for the PH Profile of an Enzymeʹs

question 71

Multiple Choice

Which graph might you expect for the pH profile of an enzymeʹs activity if the only ionizable residue in the active site is aspartate?

• A) I
• B) II
• C) III
• D) IV

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Definitions:

Degrees of Freedom

The number of independent pieces of information upon which a statistical estimate is based, minus the number of parameters estimated.

Test Statistic

A value calculated from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.

Slope

The rate of change of the dependent variable with respect to an independent variable in a linear relationship.

Standard Error of Estimate

A measure of the accuracy of predictions made with a regression line, indicating the typical distance that the observed values fall from the regression line.