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Gene Transfer in Plants

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

20 bp
30 bp
25 bp
12 bp

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Gene Transfer in Plants
Direct DNA uptake by protoplasts can be stimulated by

decanal
all of these
polyethylene glycol (PEG)
luciferin

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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 D
vir A
vir C
vir B

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Gene Transfer in Plants
Virulence trait of Agrobacterium tumefaciens is borne on

both chromosomal and plasmid DNA
cryptic plasmid DNA
tumour inducing plasmid DNA
chromosomal DNA

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Gene Transfer in Plants
The right segment of octopine T-DNA (TR) is necessary for

all of these
conjugative transfer
tumour formation
enzymes for agropine biosynthesis

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Gene Transfer in Plants
T-DNA transfer and processing into plant genome requires products of which of the following genes?

vir G,C
All of these
vir D,E
vir A,B

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