Identify the vectors for animals and plants respectively.

Agarose,extracted from sea weeds,is used in which of the following?

Insertional inactivation is performed by which enzyme?

Which one of the following is indispensable in genetic engineering?

Give scientific reasons: In recombinant $DNA$ technology,the use of endonuclease is more proper than exonuclease.

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: