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Gene Transfer in Plants

Gene Transfer in Plants
Agrobacterium tumefaciens is a

gram (+) bacteria
a fungi
a yeast
gram (-) bacteria

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Gene Transfer in Plants
Which technique is used to introduce genes into dicots?

particle acceleration
Ti plasmid infection
electroporation
microinjection

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Gene Transfer in Plants
In response to the activating signal molecule, an endonuclease is produced that causes nicks in the T-DNA. It is encoded by

vir C
vir B
vir D
vir A

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Gene Transfer in Plants
Integrated octopine T DNA occurs as

single segment
three segments
two segments
four segments

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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?

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

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Gene Transfer in Plants
On Ti-plasmid T-region or T-DNA is flanked by a direct repeat of

30 bp
12 bp
20 bp
25 bp

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