Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:

Assertion : EcoRI comes from Escherichia coli RY 13.
Reason : In EcoRI, the letter ‘R’ is derived from the name of genus.

Options:

Assertion and reason both are true but the reason is not correct explanation of assertion .

Assertion and reason both are false.

Assertion is true but reason is false .

Assertion and reason both are true and the reason is correct explanation of assertion .

Correct Answer:

Assertion is true but reason is false .

Explanation:

The convention for naming these enzymes is the first letter of the name comes from the genus and the second two letters come from the species of the prokaryotic cell from which they were isolated, e.g., EcoRI comes from Escherichia coli RY 13. In EcoRI, the letter ‘R’ is derived from the name of strain. Roman numbers following the names indicate the order in which the enzymes were isolated from that strain of bacteria.