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

conjugative transfer
enzymes for agropine biosynthesis
all of these
tumour formation

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Gene Transfer in Plants
Opines are

amino acid derivatives found in both normal as well as tumor tissues
amino acid derivatives found in normal tissues
amino acid derivatives found in tumor tissues
None of these

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Gene Transfer in Plants
Crown gall tissue

both (a) and (b)
retains tumorous properties when cultivated
can be cultivated in vitro in absence of bacteria
shows tumorous properties only in presence of bacteria

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