The linking of antibiotic resistance gene with the plasmid vector became possible with

Question

The linking of antibiotic resistance gene with the plasmid vector became possible with

(a) DNA polymerase

(b) exonucleases

(c) DNA ligase

(d) endonucleases

Monjur Alahi

4 views

2025-01-04 04:42

4 Answers

Salim Ahmed Kawsar

(c) Endo nuclease

4 views Answered 2023-02-05 15:29

Salim Ahmed Kawsar

Correct option: (a) DNA ligase

Explanation:

The linking of antibiotic resistance gene with the plasmid vector became possible with DNA ligase. DNA ligase is an enzyme that is able to join together two portions of DNA and therefore plays an important role in DNA repair. DNA ligase is also used in recombinant DNA technology as it ensures that the foreign DNA is bound to the plasmid into which it is incorporated.

4 views Answered 2023-02-05 15:29

Salim Ahmed Kawsar

(a) DNA ligase

4 views Answered 2023-02-05 15:29

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct option (c) DNA ligase

Explanation:

The linking of antibiotic resistance gene with the plasmid vector became possible with the enzyme DNA ligase, which acts on cut DNA molecules and joins their ends. This makes a new combination of circular autonomously replication DNA created in vitro and is known as recombinant DNA.