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Insulin is purified under ___________ purifications.

(a) analytical

(b) chromatography

(c) preparative

(d) ultrafiltration

This question was posed to me by my school teacher while I was bunking the class.

My doubt is from Enzymes Purification in section Enzymes Purification of Enzyme Technology

1 Answer

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Best answer
Right choice is (c) preparative

The best I can explain: Purification is classified into preparative or analytical. Preparative purification is targeted towards producing large quantities of purified proteins which are of commercial important. Examples which are purified by the preparative technique are laccase, insulin, HbS Ag, etc. Analytical purification is used to produce small scale lab production of purified proteins. Ultrafiltration and chromatography are the steps involved in purification.

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