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___________ is a divalent chelator which can be used to extract enzymes from different sources.

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___________ is a divalent chelator which can be used to extract enzymes from different sources.

(a) Sucrose

(b) NaOH

(c) Lysozyme

(d) EDTA

This question was addressed to me in my homework.

Origin of the question is Extraction of Enzymes by Chemical Methods topic in section Enzyme Extraction and Isolation of Enzyme Technology

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Right option is (d) EDTA

To explain I would say: EDTA is a divalent chelator which chelate the metal ions such as Mg^2+ and Ca^2+ which are important for cell wall stability. There is an electrostatic interaction between highly electropositive and electronegative compounds which provide gently cell lysis. EDTA along with some other efficient agents can help in proper n complete cell lysis.

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