An enzyme that recognizes and cuts double stranded DNA only at a particular sequence of nucleotides is often called:Select one:a. DNA glycosylaseb. Restriction endonuclease
Question
An enzyme that recognizes and cuts double stranded DNA only at a particular sequence of nucleotides is often called:Select one:a. DNA glycosylaseb. Restriction endonuclease
Solution
The correct answer is b. Restriction endonuclease. These enzymes recognize specific sequences of nucleotides in double-stranded DNA and cut at those specific sites. DNA glycosylases, on the other hand, are involved in base excision repair of DNA. They recognize and remove specific types of damaged bases, leaving an abasic site in the DNA.
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