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What is the substance required to cleave the vector DNA during recombinant DNA technology?

Restriction enzymes are the substances required to cleave the vector DNA during recombinant DNA technology. These enzymes recognize specific DNA sequences and cut the DNA at specific points, allowing for the insertion of foreign DNA fragments.


What process is used to cut DNA into fragments?

DNA can be fragmented using restriction endonucleases or restriction enzymes. Restriction enzymes identify specific sequences within the DNA and cause cleavage generating fragments. When this digested DNA is allowed to run in gel electrophoresis fragments get separated according to their mass. When visualized under UV transilluminator, fragmented DNA can be observed as fluorescing bands.


Enzymes used to cut DNA molecules in recombinant DNA researsh are?

Restriction enzymes are used to cut DNA molecules in recombinant DNA research. These enzymes recognize specific DNA sequences and cleave the DNA at those sites, allowing scientists to splice DNA fragments from different sources together to create recombinant DNA molecules.


What are enzymes cutting DNA at specific sites to form restriction fragments called?

Enzymes that cut DNA at specific sites to form restriction fragments are called restriction endonucleases or restriction enzymes. These enzymes recognize specific DNA sequences and cleave the DNA at or near these sequences, generating DNA fragments with defined ends.


What is allelic ladder?

An allelic ladder is a set of DNA fragments with known sizes used as a reference in gel electrophoresis to estimate the size of unknown DNA fragments. It helps in determining the size of DNA fragments based on their migration distance in the gel relative to the ladder's fragments. This is commonly used in DNA fingerprinting and genetic analysis.


What is used to separate DNA fragments by size?

Electrophoresis. Restriction enzymes are used to cut DNA into fragments. Solutions containing these fragments are placed on the surface of a gel to which an electric current is applied. The electric current causes the DNA fragments to move through the gel. Because smaller fragments move more quickly than larger ones, this process separates the fragments according to size.


How is a DNA FINGERPRINT PRODUCES?

Selected fragments are used to produce a DNA fingerprint.


Can electrolysis be used to separate DNA fragments?

No, electrolysis is not typically used to separate DNA fragments. DNA separation techniques such as gel electrophoresis are more commonly used in molecular biology to separate DNA fragments based on size. Electrolysis is a process that uses an electric current to drive a chemical reaction.


What are okazaki fragments used to elongate?

Okazaki fragments are used to elongate the lagging strand. These fragments are used as primers for RNA polymerase to fill up the gaps in the newly formed complimentary DNA on the lagging strand. DNA ligase then seals up the gaps.


What do biologists use to cut DNA into smaller fragments?

A restriction enzyme (or restriction endonuclease) is an enzyme that cuts double-stranded or single stranded DNA at specific recognition nucleotide sequences called restriction sites.


How are restriction maps used?

They are used to show the lengths of DNA fragments between restriction sites in a strand of DNA.


What enzyme binds fragments of DNA on the lagging strand?

DNA ligase is the enzyme that binds together the Okazaki fragments on the lagging strand during DNA replication. It forms phosphodiester bonds between adjacent nucleotides to create a continuous strand of DNA.