The agents that cause the transformation of n | vedclass

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(D) The transformation of normal cells into cancerous neoplastic cells may be induced by physical,chemical,or biological agents. $1$. Physical agents:

Vedclass · Accepted Answer

All of the above

Vedclass · Answer

(D) The transformation of normal cells into cancerous neoplastic cells may be induced by physical,chemical,or biological agents. $1$. Physical agents: These include ionizing radiations like $X$-rays and gamma rays,and non-ionizing radiations like $UV$ rays,which cause $DNA$ damage. $2$. Chemical agents: These include various carcinogens found in tobacco smoke,such as polycyclic aromatic hydrocarbons,which are major causes of lung cancer. $3$. Biological agents: These include oncogenic viruses (viral oncogenes) that carry genes capable of causing cancer in host cells. Therefore,all these agents are responsible for carcinogenesis.

The agents that cause the transformation of normal cells into cancerous cells are known as:

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