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Restriction enzymes can act only on double strand DNA . Restriction enzyme recognizes and hydrolyzes the backbone of DNA between deoxyribose and phosphate groups at or near the restriction sites. This leaves a phosphate group on the 5` ends and a hydroxyl on the 3` end of both the strands . Thus digestion with restriction enzymes results in the fragmentation of the double stranded DNA molecule.

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13y ago

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An enzyme that cuts double-stranded DNA at specific nucleotide sequences?

Such an enzyme is called a restriction endonuclease


Which restriction enzyme did you use to cut the DNA?

The restriction enzyme used to cut the DNA was EcoRI.


Hi does any one know if I want to put some restriction enzyme close to cDNA should I put some nucleotide befor this restriction enzyme?

Restriction enzyme cuts DNA strand at specific locations Restriction enzyme cuts DNA strand at specific locations


Restriction enzyme digestion?

Yes?


Where does the restriction enzyme EcoRI cut in a DNA sequence?

The restriction enzyme EcoRI cuts DNA at a specific sequence of bases, which is GAATTC.


What is the difference between a restriction enzyme and an endonuclease?

A restriction enzyme is a type of endonuclease. Endonucleases are enzymes that cut DNA at specific sequences, while restriction enzymes specifically cut DNA at recognition sites called restriction sites.


Where in the DNA sequence does the restriction enzyme EcoR1 specifically cut?

The restriction enzyme EcoR1 specifically cuts the DNA sequence at the recognition site GAATTC.


What enzyme is responsible for cutting DNA molecules?

The enzyme responsible for cutting DNA molecules is called a restriction enzyme.


What is the restriction site of the restriction enzyme TaqI?

TaqI's restriction site is:TCGAAGCT


Why restriction enzyme cannot cut its own DNA?

Restriction enzymes are produced by bacteria to help destroy foreign, invading DNA, such as the DNA of bacteriophage (a virus that infects bacterial cells). Every restriction enzyme comes with a methylase enzyme, or more specifically, a DNA methyltransferase. The methylase enzyme methylates (adds a methyl group) to the restriction endonuclease site on the cell's own DNA, which protects the sites from the restriction enzyme so that it does not degrade its own DNA.


Which enzyme is used to produce RFLPs?

Restriction enzymes.


What tool to use when cutting plasmid?

a Restriction Enzyme