alleryWhich enzyme is used to open plant cells before DNA isolation?
AProtease
BCellulase
CLysozyme
DChitinase
Answer & Solution
Correct answer: B. Cellulase
1. The wall must be digested to release the DNA.
2. Plant walls are built of cellulose.
3. Cellulase is therefore the enzyme used.
_Source: syllabus Biology, Ch 9 'Biotechnology : Principles and Processes'_
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