Cancer can be caused by the use of

Cancer-causing viruses are called:

Cancer of the pituitary gland is a type of . . . . . . .

The genes associated with the development of cancer are known as .....

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.

Which of the following is used in the treatment of cancer?