Which of the following microbes transform normal plant and animal cells to cancerous cells respectively?
Answer & explanation
Correct answer: option 3
Retroviruses in animals have the ability to transform normal cells into cancerous cells. Agrobacterium tumefaciens, a pathogen of several dicot plants is able to deliver a piece of DNA known as 'T-DNA' to transform normal plant cells into tumor and direct these cells to produce the chemicals required by pathogen.