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The biological scissors of DNA are ……….....

The biological scissors of DNA are ……….. .

A

ligases

B

polymerases

C

endonucleases

D

transcriptases

Text Solution

Verified by Experts

The correct Answer is:
C
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The biological scissors is …….. .

The biological scissors are : i. Restriction enzymes are used to cut DNA into nucleotide monomers. ii. Enzymes always cut the DNA at specific nucleotide sequences. iii. Present variously recognizing and cutting different DNA sequences. Select the option with the correct statement/s.

………………. Enzymes are used as biological scissors in r-DNA technology.

Molecular scissor is :

Restriction endonuclease was isolated for the first time by W. Aber in 1962 in bacteria. Restriction endonucleases cut the DNA duplex at specific points therefore they are also called as molecular scissors or biological scissors. Three types of restriction endemicleases are Type 1. Type II and Type III but only Type II restriction endonucleases are used in recombinant DNA technology. Restriction endonuclease EcoR I recognises the base sequence GAATTC In DNA duplex and cut strands between G and A. Which type of restriction endonucleases is used most in genetic engineering?

Restriction endonuclease was isolated for the first time by W. Aber in 1962 in bacteria. Restriction endonucleases cut the DNA duplex at specific points therefore they are also called as molecular scissors or biological scissors. Three types of restriction endemicleases are Type 1. Type II and Type III but only Type II restriction endonucleases are used in recombinant DNA technology. Restriction endonuclease EcoR I recognises the base sequence GAATTC In DNA duplex and cut strands between G and A. Restriction endonuclease was isolated for the first time from a:

Molecular scissor is:

Restriction endonuclease was isolated for the first time by W. Aber in 1962 in bacteria. Restriction endonucleases cut the DNA duplex at specific points therefore they are also called as molecular scissors or biological scissors. Three types of restriction endemicleases are Type 1. Type II and Type III but only Type II restriction endonucleases are used in recombinant DNA technology. Restriction endonuclease EcoR I recognises the base sequence GAATTC In DNA duplex and cut strands between G and A. Only type II restriction enzymes are used in gene manipulation because: