Plasmids are ____________ .

extra chromosomal DNA which can self replicate

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DNA carrying genetic sequence, without expressing it

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integrated within host DNA without replication ability

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neutralizing substances present within the genes

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Solution

The correct option is A extra chromosomal DNA which can self replicate
Plasmids are extra chromosomal DNA which are capable of autonomous replication within the bacterial cytoplasm. Due to these features, plasmids have proved to be one the best vectors in molecular biology and biotechnology fields.

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Similar questions

Select the statement that describes the characteristics of genes.

(1) Proteins are never coded by DNA.

(2) Self-replicating materials are present in all living organisms as the main constituent of their genetic material.

(3) In an individual of a particular species, a specific gene is located on a particular chromosome.

(4) One chromosome can code one protein.

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