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Cancerous cells can easily be destroyed by radiations due to (a) rapid cell division (b) lack...

Cancerous cells can easily be destroyed by radiations due to

(a) rapid cell division

(b) lack of nutrition

(c) fast mutation

(d) lack of oxygen.

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Answer #1

Correct answer-(a)rapid cell division

The division(mitosis)of normal cells prescisly controlled .new cells are only formed for growth or to replace dead cells.

Cancerous cells divide repeatedly out of control even though they are not needed ,they crowed out other normal cells and function abnormally.

They can also destroyed the correct function of major organ.

(A)direct action-

Radiation ->DNA damage ->cell death

(B) indirect action-

Radiation ->free radicals ->>DNA damage->>cell death

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