Genetic engineering is possible,because

  • A
    The phenomenon of transduction in bacteria is well understood.
  • B
    We can see $DNA$ by electron microscope.
  • C
    We can cut $DNA$ at specific sites by endonucleases like $DNAase-I$.
  • D
    Restriction endonucleases purified from bacteria can be used in vitro.

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Similar Questions

Given below are two statements:
Statement $I:$
Restriction endonucleases recognise specific sequences to cut $DNA$,known as palindromic nucleotide sequences.
Statement $II:$
Restriction endonucleases cut the $DNA$ strand a little away from the centre of the palindromic site.
In the light of the above statements,choose the most appropriate answer from the options given below:

Which of the following is known as a restriction endonuclease?

Molecular scissors are

Select the correct option. The $E. coli$ cloning vector $pBR322$ contains antibiotic resistance genes.

The restriction enzyme responsible for the cleavage of the following sequence is:
$5^{\prime}-G-T-C-G-A-C-3^{\prime}$
$3^{\prime}-C-A-G-C-T-G-5^{\prime}$

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