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Gene Transfer in Plants

Gene Transfer in Plants
Opines that are present in crown gall tumour include

all of these
octopine
nopaline
agropine

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Gene Transfer in Plants
The direct repeats flanking the T-DNA of Agrobacterium tume-faciens are known as

cos site
transfer sequences
border sequences
flanking sequences

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

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

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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?

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

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Gene Transfer in Plants
Plant transformation vectors based on Agrobacterium can generally be divided into

six vectors
eight vectors
two vectors
four vectors

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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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