Exam 40: Cancer: Cell Division Out of Control

A woman who has already had children develops skin cancer from overexposure to the sun. Is it possible for her children to have inherited this cancer from her?

Under normal conditions growth factors activate ____________ and inactivate ______________ genes.

When a mutant receptor protein no longer requires a growth factor to activate it, the result is

The fact that the human genome contains proto-oncogenes means that

For proper cell division to occur, the activity of proto-oncogenes must be balanced by the activity of _____________ genes.

In many human colon tumors, the beginning of true malignancy is the result of the

Cigarette smoking is the leading cause of cancer deaths in the United States.

Proto-oncogenes, which produce many of the proteins used in a signal cascade, are found

Studies of retinoblastoma indicated that this type of cancer is caused by