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(A) The correct matches are as follows:$(a)$ Cloning vector: pBR$322$ is a well-known cloning vector used in biotechnology. Thus,$(a)-(ii)$.$(b)$ Ti-$

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$a-ii, b-iv, c-i, d-iii$

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(A) The correct matches are as follows:$(a)$ Cloning vector: pBR$322$ is a well-known cloning vector used in biotechnology. Thus,$(a)-(ii)$.$(b)$ Ti-$DNA$: Ti-$DNA$ is the segment of $DNA$ that is transferred into the host plant cell,which leads to transformation. Thus,$(b)-(iv)$.$(c)$ Disarmed pathogen: Agrobacterium tumefaciens is a pathogen that is disarmed (virulence genes removed) to be used as a vector for gene transfer. Thus,$(c)-(i)$.$(d)$ Recognition sequence: $GAATTC$ is the specific recognition sequence for the restriction enzyme EcoRI. Thus,$(d)-(iii)$.Therefore,the correct combination is $(a-ii, b-iv, c-i, d-iii)$.

Column-$I$	Column-$II$
$(a)$ Cloning vector	$(i)$ Agrobacterium
$(b)$ Ti-$DNA$	$(ii)$ pBR$322$
$(c)$ Disarmed pathogen	$(iii)$ $GAATTC$
$(d)$ Recognition sequence	$(iv)$ Transformation

Match Column-$I$ with Column-$II$ and choose the correct combination from the options given below:

Column-$I$ Column-$II$

$(a)$ Cloning vector $(i)$ Agrobacterium

$(b)$ Ti-$DNA$ $(ii)$ pBR$322$

$(c)$ Disarmed pathogen $(iii)$ $GAATTC$

$(d)$ Recognition sequence $(iv)$ Transformation

Similar Questions

$A$ - Cloning vectors are useful to transfer desirable $DNA$ into host cells.
$R$ - Agrobacterium tumefaciens is a pathogen of several dicot plants.

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Match Column-$I$ with Column-$II$ and choose the correct combination from the options given below: Column-$I$ Column-$II$ $(a)$ Cloning vector $(i)$ Agrobacterium $(b)$ Ti-$DNA$ $(ii)$ pBR$322$ $(c)$ Disarmed pathogen $(iii)$ $GAATTC$ $(d)$ Recognition sequence $(iv)$ Transformation