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Discovery of Restriction Enzyme

Micro-injecti...

Question

Micro-injection is a method used to

A

Produce sticky ends of DNA

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B

Provide protection against pathogen

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C

Purify the DNA

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D

Inject recombinant DNA into the nucleus of an animal cell

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Solution

The correct option is D Inject recombinant DNA into the nucleus of an animal cell
Micro-injection is a method used to Inject a recombinant DNA into the nucleus of an animal cell. This is the only way to introduce alien DNA into host cells.
So, the correct option is 'Option D' .

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Similar questions

Q. Method in which recombinant DNA is directly injected into the nucleus of animals cell by using microneedles is called as

Q. Read the following statements and choose the most appropriate option.
I. ____A____ are bombarded with high velocity micro-particles of ___B____ coated with DNA in a method known as biolistics.
II. Recombinant DNA is directly injected into the nucleus of an animal cell in the method called as___C______.

Q. Match the column: –

	Column I		Column II
(i)	Electroporation	(p)	Recombinant DNA is coated with lipid
(ii)	Micro-injection	(q)	Tiny high velocity particles of tungsten or gold are coated with recombinant DNA
(iii)	Lipofection	(r)	Cells are exposed to rapid pulse of high voltage
(iv)	Particle Bombardments	(s)	Directly injected to the nucleus of animal cell through micro

Q. Read the following statements carefully and select the correct option:
(A) Source of the restriction enzyme Hind III is E.coli
(B) In biolistic method of gene transfer, mircoparticles made up of gold or tungsten are coated with foreign DNA
(C) Micro-injection method for injecting recombinant DNA is used for animal cell
(D) Primers are chemically synthesized oligonucleotides that are complementary to the regions of DNA in PCR.
How many of the above statement are correct?

Q. A recombinant DNA is formed when sticky ends of vector DNA and foreign DNA join. Explain how the sticky ends are formed and get joined.

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Discovery of Restriction Enzyme

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