Microparticles for coating with DNA to be bombarded with gene gun are made of
Gold or tungsten
Platinum or zinc
Silicon or platinum
Silver or platinum
A
Gold or tungsten
B
Silver or platinum
C
Silicon or platinum
D
Platinum or zinc
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Solution
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For gene transfer into the host cell without using vector microparticles made of tungsten and gold coated with foreign DNA are bombarded into target cells at a very high velocity. This method is called biolistics or gene gun which is suitable for plants.
So the correct answer is option D.
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