Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies.
Reason`(R)`: Cancer is caused by damage to genes regulating the cell they division cycle.

Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason (R) : Cancer is caused by damage to genes regulating the cell division cycle.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: Cancer cells are virtually immortal until the body in which they reside dies. Reason. Cancer is caused by damage to genes regulating the cell division cycle.

Statement 1: Cancer cells are vitually immortal until the death of that human body. Statement 2: Cancer cells avoid apoptosis

Statement 1: Cancer cells are vitually immortal until the death of that human body. Statement 2: Cancer cells avoid apoptosis

Assertion (A) : Single cell protein from spirulina is utilized in food industries . Reason (R) : Single-cell proteins can cause allergy .

Assertion: UV rays penetrate deep into the skin and cause cancer. Reason: They can cause damage to DNA.

Assertion (A): Sickle cell anaemia is an example of point mutation. Reason ( R): It is caused by addition or deletion of nitrogenous bases in the DNA or mRNA.

Assertion (A): All the cell organelles are seen until the end of prophase. Reason (R ): Chromatids separate but remain in the centre of the cell in anaphase.

The genes present in normal cells of the body which can cause cancer are known as