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Why is chitinase useful in fungal DNA isolation?

Answer and explanation

Correct answer: Because it breaks down chitin in the fungal cell wall and helps lyse the cells

Fungal cell walls contain chitin. Chitinase breaks chitin bonds, weakening or disrupting the cell wall so that DNA can be released and isolated. Option C is incorrect because DNase, not chitinase, degrades DNA. Exam tip: In DNA isolation, an enzyme named after a cell-wall component usually breaks down that component.

Related tags

ChitinaseFungal Dna IsolationFungal Cell WallChitinRecombinant Dna TechnologyIsolation Of DnaProcesses Of Recombinant Dna TechnologyBiotechnology

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