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  4. Assertion: Restriction enzymes Hin and Hpa are produced from two different genera of bacteria. Reason: Hin is produced from Haemophilus while Hpa is produced from Hematococcus.

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Q. Assertion : Restriction enzymes Hin and Hpa are produced from two different genera of bacteria.
Reason : Hin is produced from Haemophilus while Hpa is produced from Hematococcus.

Biotechnology : Principles and Processes

Solution:

In nomenclature of restriction enzymes, the first letter of the name of the genus in which given enzyme is discovered is written first in capital. It is followed by the first two letters of species name of the organism and these three letters are generally written in italics. Hin and Hpa, both are produced from a single genus Haemophilus but from two different species i.e., H. influenzae and H. parainfluenza respectively.