MCQ
Which of the following statement is not true?

$I.$ DNA being a hydrophilic molecule cannot pass through cell membranes

$II.$ Agrobacteriumtumefaciens delivers a piece of $DNA$ known as $'Z-DNA'$ in the Tiplasmid which transforms normal plant cells into tumour cells to produce chemical against pathogens

$III.$ Retrovirus, adenovirus, papillomavirus are also now used as cloning vectors in animal because of their ability to transform normal cells into cancerous cell.

$IV.$ In genetic engineering, $DNA$ from different sources are cut with the same restriction enzymes so that both $DNA$ fragments have same kind of sticky ends

Choose the correct option

  • A
    $Only\; I$
  • $Only\; II$
  • C
    $Only \;III$
  • D
    $Only\; IV$

Answer

Correct option: B.
$Only\; II$
b
Agrobacterium tumefaciens delivers a piece of $DNA$ known as $'T-DNA'$ in the Tiplasmid which transforms normal plant cells into tumour cells to produce chemical against pathogens

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