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Question

Which one of the following enzymes is not necessary for obtaining protoplasts for their somatic hybridization?

A
Cellulase
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B
Primase
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C
Pectinase
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D
Both cellulose and pectinase
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Solution

The correct option is B Primase
Isolation of protoplasts is readily achieved by treating cells/tissues with a suitable mixture of cell wall degrading enzymes. Usually, a mixture of pectinase or macerozyme (0.1-1.9%) and cellulose (1-2%) is appropriate for most plant materials. Hemicellulase may be necessary for some tissues.

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