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  • In gene gun method used to introduce alien DNA into host cells, microparticles of _______ metal are used.Option: 1 Copper<div class='qn

In gene gun method used to introduce alien DNA into host cells, microparticles of _______ metal are used.

Option: 1

Copper


Option: 2

Zinc


Option: 3

Tungsten or gold


Option: 4

Silver


Answers (1)

best_answer

The correct option is Option 3) Tungsten or gold.

In the gene gun method, which is a technique used to introduce foreign DNA into host cells, microparticles of either tungsten or gold are commonly used.

The gene gun method, also known as biolistic particle delivery system, involves coating tiny microparticles with foreign DNA and propelling them into the target cells. The microparticles act as carriers for the foreign DNA and are propelled into the host cells using a high-pressure gas or a mechanical force.

Tungsten and gold are preferred materials for the microparticles because they are dense and can effectively penetrate the cell walls and membranes of the target cells. The microparticles are typically coated with the desired DNA and then shot into the host cells, where they can integrate into the cell's genome and express the foreign genes.

Therefore, in the gene gun method, microparticles of either tungsten or gold are commonly used as carriers for the introduction of alien DNA into host cells.

Posted by

Gautam harsolia

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