Chapter: Biotechnology· Biology

Recognition sequence of restriction enzymes are generally _____ nucleotides long.

Q.1 (vi) Recognition sequence of restriction enzymes are generally _____ nucleotides long.

A. 2 to 4

B. 4 to 8

C. 8 to 10

D. 14 to 18

Doubtly Asked 29 Oct 2026 Board exam · March 2024 hsc 12th Save WhatsApp Report

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Answer: (b) 4 to 8

Restriction endonucleases recognise specific palindromic sequences, generally 4 to 8 base pairs long (e.g. EcoRI recognises the 6 bp sequence GAATTC), and cut the DNA within or near them.

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report

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Recognition sequence of restriction enzymes are generally _____ nucleotides long.

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