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easyMCQNEET 20232026Biology
1 mark

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

  1. A
    Copper
  2. B
    Zinc
  3. C
    Tungsten or gold
  4. D
    Silver

Solution & Step-by-step Explanation

In the biolistics or gene gun method, suitable for plants, cells are bombarded with high-velocity micro-particles of Gold or Tungsten coated with DNA. These metals are used because they are chemically inert and dense enough to penetrate the cell wall.

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In gene gun method used to introduce alien DNA into host cells, microparticles of _______ metal are used.
A
Copper
B
Zinc
C
Tungsten or gold
D
Silver

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biotechnologygene gun

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