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Q.

Given below are two statements. One is labelled as Assertion A and other labelled as Reason R

Assertion (A): Cancerous cells continue to divide giving rise to masses of cells called tumors

Reason (R): Cancer cells shows contact inhibition

In light of the above statements, choose the correct answer from the options given below 

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a

A is true but R is false

b

Both A and R are false

c

Both A and R are true and R explains A

d

Both A and R are true but R doesn’t explain A

answer is C.

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Detailed Solution

The concept of "contact inhibition" is a normal regulatory mechanism in healthy cells that prevents them from growing and dividing uncontrollably. However, cancer cells often exhibit a loss of contact inhibition, contributing to their uncontrolled growth and proliferation.

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