The most thoroughly studied of the known bact | vedclass

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(C) $Agrobacterium 	ext{ } tumefaciens$ contains a tumor-inducing $(Ti)$ plasmid, which causes the formation of crown gall tumors in infected plants.

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Gall formation on certain angiosperms by Agrobacterium

Vedclass · Answer

(C) $Agrobacterium 	ext{ } tumefaciens$ contains a tumor-inducing $(Ti)$ plasmid, which causes the formation of crown gall tumors in infected plants.This interaction is the most thoroughly studied because scientists have successfully modified the $Ti$ plasmid to act as a cloning vector.By removing the tumor-causing genes and replacing them with genes of interest, it has become a fundamental tool in plant genetic engineering to transfer foreign $DNA$ into host plants.

Column-$I$	Column-$II$
$(a)$ Ligase	$(i)$ It removes nucleotides from $DNA$ ends.
$(b)$ Endonuclease	$(ii)$ Connects parts of $DNA$.
$(c)$ Exonuclease	$(iii)$ Removes phosphates from $DNA$.
$(d)$ $DNA$ Polymerase	$(iv)$ It produces sticky ends in $DNA$.
	$(v)$ Useful for repeated amplification.

The most thoroughly studied of the known bacteria-plant interaction is the:

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