NEET Biology question
Select the option with the correct set of differences.
| | Normal cells | Cancerous cells | |---|---|---| | i | These cells undergo cell division as well as differentiation. | These cells undergo cell division but do not undergo differentiation. | | ii | These cells show contact inhibition. | These cells have lost the property of contact inhibition. | | iii | Life span of these cells is not definite. | Life span of these cells is definite. | | iv | These cells divide in a controlled manner. | These cells divide in an uncontrolled manner. |
Solution
Rows (i), (ii) and (iv) are all genuine, correctly stated differences — normal cells divide and differentiate while cancerous cells divide without differentiating (i); normal cells show contact inhibition which cancerous cells have lost (ii); and normal cells divide in a controlled manner
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