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CBSE Class 10 Answered

Doubts????
Asked by | 22 Feb, 2009, 11:59: AM
Expert Answer

Formaldehyde preserves or fixes tissue or cells by irreversibly cross-linking primary amino groups in proteins with other nearby nitrogen atoms in protein or DNA through a -CH2- linkage.

Answered by | 27 Mar, 2009, 11:22: AM
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