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Gene Transfer in Plants

Gene Transfer in Plants
Integrated nopaline T-DNA occurs as

two segments
single segment
three 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
Both (a) and (b)
None of these
α-hydroxy syringone

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Gene Transfer in Plants
In the liposome mediated gene transfer in plants, nucleic acids are

stable in liposomes
protected from nuclease digestion
both (a) and (b)
not stable in liposomes

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

tumour formation
enzymes for agropine biosynthesis
all of these
conjugative transfer

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Gene Transfer in Plants
Which of the following is not true about the helper plasmids?

All of these
These can't replicate in Agrobacterium
These can replicate in Agrobacterium
These help in the mediating conjugation of intermediate vectors

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Gene Transfer in Plants
Which of the following genes are constitutively expressed and control the plant induced activation of other vir genes?

vir B and vir E
vir A and vir G
vir C and vir D
vir A and vir B

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