Question

Assertion (A): Specific enzymes are used to degrade the cell wall in organisms to isolate the DNA from the cell.
Reason (R): Fungal cell wall is degraded by the enzyme cellulase.

• A. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
• B. Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
• C. Assertion (A) is true, but Reason (R) is false.
• D. Assertion (A) is false, but Reason (R) is true.

Hint:

For plant cells, cellulase is used to degrade the cell wall, while for fungi, chitinase is the enzyme used to break down the chitin-based cell wall.

Answer 1

The Correct Option is C

Assertion (A): Specific enzymes like lysozyme and cellulase are indeed used to break down the cell walls to release DNA, particularly in plant and fungal cells.
Reason (R): While cellulase breaks down cellulose in plant cell walls, fungal cell walls are primarily made of chitin, not cellulose. Therefore, chitinase is the enzyme that would degrade fungal cell walls, not cellulase.