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Cetyl trimethyl ammonium bromide is a cationic detergent.

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in Enzyme Technology by (55.0k points)
Cetyl trimethyl ammonium bromide is a cationic detergent.

(a) True

(b) False

The question was posed to me during a job interview.

This intriguing question comes from Isolation of Enzymes in section Enzyme Extraction and Isolation of Enzyme Technology

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The correct answer is (a) True

Easy explanation: Cetyl trimethyl ammonium bromide is a cationic detergent because this positively charged detergent interacts electrostatically with negatively charged phosphodiester backbone of DNA. Followed by centrifugation, the precipitated DNA can be removed and enzymes can be isolated.

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