What Can Be Done to Increase the Rate at Which

question 56

Multiple Choice

What can be done to increase the rate at which a protein of interest moves down an ion-exchange chromatography column?

• A)reduce the ion concentration in the eluant
• B)add a small amount of a non-ionic detergents to the eluant
• C)change the pH of the eluant
• D)add a protease inhibitor to the eluant
• E)reduce the temperature of the eluant

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Definitions:

QRS Segment

Part of an electrocardiogram (ECG) representing the depolarization of the heart's ventricles, which precedes the contraction of the ventricles.

ECG

An electrocardiogram, a test that measures the electrical activity of the heart to detect heart abnormalities.

Ventricule

A term often misspelled or used interchangeably with ventricle, which typically refers to one of the two lower chambers of the heart or a cavity in the brain that contains cerebrospinal fluid.

PR Interval

A measurement on an ECG that represents the time between the start of the atrial depolarization (P wave) and the start of the QRS complex, indicative of atrioventricular conduction.