Medical
Biology
Restriction Enzymes and Selectable Markers
Mitosis
Transcription
Question
How is the action of exonuclease different from that of endonuclease?
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Solution
- Exonuclease are enzymes that cleave the nucleotides at the end of the DNA molecule.The cleavage by exonuclease results in the formation of nucleotides or nucleosides.
For example- BAL31
- Endonuclease are enzymes that cleave the bonds of the DNA from within the molecule(middle part) at specific site. The cleavage by endonuclease results in the formation of oligonucleotides(Four nucleotide residues).
For example-
S1 nuclease, DNAses, Restriction endonucleases.
