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DNA can be cut into smaller fragments by enzymes (which are proteins) known as restriction endonucleases (REN's). These enzymes are sequence specific - meaning they produce a cut only at a particular site on the DNA strand. This site where the cut is produced is called the restriction site. Restriction sites are 4 - 6 nucleotides in length. Every restriction enzyme has a different restriction site. This property allows researchers to treat two different DNA samples with the same set of restriction enzymes and then analyze the resulting fragments.

A. DNA finger printing

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8y ago
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9y ago

DNA can be cut unto shorter sequences by proteins known as restriction enzymes. These enzymes cleave DNA molecules near a specific sequence of bases.

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13y ago

DNA helicase splits the DNA strand into 2 by breaking the hydrogen bonds.

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11y ago

They can be cut by endonucleases also know as "restriction enzymes"

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reverse transcriptase

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Q: DNA strands can be clipped crosswise at selected positions by using enzymes called?
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What are restricted enzymes used for?

Restriction enzymes are used in lab for cutting DNA sequences at specific sites.The RE used will cut only at its recognized site. expose the base sequence of a DNA fragment. they are enzymes isolated from bacteria.They are of two types.Restriction endonuclease & restriction exo nuclease.exonucleases remove nucleotides from the ends of the DNA .endonucleases make cuts at specific positions in the DNA


What is the scientific name of enzymes?

Enzymes belong to a class of proteins called "biocatalysts" and do not have a single scientific name. They are named based on the substrate they act upon and end with the suffix "-ase." For example, the enzyme that breaks down proteins is called protease.


What is lipid enzymes?

enzymes


Are proteins a enzymes?

Proteins are not enzymes. Enzymes are protein,tertiary proteins


What do enzymes do in saliva?

The only enzymes I am aware of in saliva are Amylase enzymes. These enzymes break down Carbohydrates. Hope this helps!


What are the catalyst found in living cells called?

Catalysts that are active working in the body are called enzymes.


Denatured enzymes are the same as?

Denatured enzymes are the same as enzymes that can no longer function.


Complex organic molecules that work with enzymes to facilitate the enzymes?

co-enzymes


What is a serum enzymes?

Serum enzymes are any type of enzymes that are found in the blood.


What are ''thermolabile enzymes''?

The enzymes which degrade or decomposed when heated are called thermolabile enzymes


Who has enzymes?

Every organism has enzymes


Is enzymes an organ?

No, enzymes are proteins.