Which of the following statements is not true | vedclass

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(B) Statement $I$ is true: $DNA$ is a hydrophilic molecule and cannot pass through cell membranes.Statement $II$ is false: $Agrobacterium$ $tumefacien

Vedclass · Accepted Answer

$Only\; II$

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(B) Statement $I$ is true: $DNA$ is a hydrophilic molecule and cannot pass through cell membranes.Statement $II$ is false: $Agrobacterium$ $tumefaciens$ delivers a piece of $DNA$ known as $'T-DNA'$ (not $'Z-DNA'$) in the $Ti$ plasmid, which transforms normal plant cells into tumour cells.Statement $III$ is true: Retroviruses, adenoviruses, and papillomaviruses are used as vectors in animals due to their ability to transform normal cells into cancerous cells.Statement $IV$ is true: Using the same restriction enzymes ensures that both $DNA$ fragments have complementary sticky ends, allowing them to be joined by $DNA$ ligase.

Column-$I$	Column-$II$
$(a)$ $K$.$C$. Mehta	$(i)$ Fluid mosaic model
$(b)$ $P$. Maheshwari	$(ii)$ First recombinant plasmid
$(c)$ Cohen and Boyer	$(iii)$ Haploid culture
$(d)$ Singer and Nicolson	$(iv)$ Rust disease

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Match the Column-$I$ with Column-$II$:

Column-$I$ Column-$II$

$(a)$ $K$.$C$. Mehta $(i)$ Fluid mosaic model

$(b)$ $P$. Maheshwari $(ii)$ First recombinant plasmid

$(c)$ Cohen and Boyer $(iii)$ Haploid culture

$(d)$ Singer and Nicolson $(iv)$ Rust disease

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