Gene Transfer in Plants
Which of the following plant signal molecules regulate the expression of vir B, C, D and E in case of tobacco?

None of these
α-hydroxy syringone
Both (a) and (b)
Acetosyringone

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Gene Transfer in Plants
Which of the following is not true for microinjection technique that involves transfer of DNA into protoplast?

It employs needle with diameter greater than cell diameter
It is carried out with the help of micromanipulator
All of these
The recipient cells are immobilized on artificial support or artificially bound to substarate

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