Which of the following is a function of a restriction endonuclease?
A) It cleaves a DNA molecule at a specific site.
B) It cleaves a DNA molecule at random locations.
C) It removes specific codons from an mRNA molecule.
D) It removes specific exons from an mRNA molecule.

Question

Quizplus · Accepted Answer

A restriction endonuclease is a type of enzyme that recognizes and cleaves DNA at specific sequences, known as restriction sites. This can be useful in genetic engineering for cutting and pasting DNA fragments from different sources. B, C, and D do not accurately describe the function of a restriction endonuclease.

Which of the Following Is a Function of a Restriction