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Question

Protoplasts are devoid of

A
Cell wall
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B
Cell membrane
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C
Nuclear membrane
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D
Both cell wall and cell membrane
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Solution

The correct option is A Cell wall
Protoplasts are cells which have had their cell wall removed, usually by digestion with enzymes. Cellulase digests the cellulose in plant cell walls while pectinase breaks down the pectin holding cells together. Once the cell wall has been removed, the resulting protoplast attains a spherical shape.

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