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Question: Answered & Verified by Expert
In gene gun method used to introduce alien DNA into host cells, microparticles of ____ metals are used.
BiologyBiotechnology - Principles and ProcessesNEETNEET 2023 (All India)
Options:
  • A Silver
  • B Copper
  • C Zinc
  • D Tungsten or gold
Solution:
2464 Upvotes Verified Answer
The correct answer is: Tungsten or gold
Micro-injection is a method where the recombinant DNA is directly injected into the nucleus of an animal cell. In another method, suitable for plants, cells are bombarded with high velocity micro-particles of gold or tungsten coated with DNA in a method known as biolistics or gene gun.

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