Which of the Following Series of Events Is Associated with the Formation

question 24

Multiple Choice

Which of the following series of events is associated with the formation of cancer?

• A)The proto-oncogenes mutate and become oncogenes which are continuously active.There is also an associated loss of tumor suppressor gene activity allowing uncontrolled growth of cells.
• B)The oncogenes mutate and become proto-oncogenes which are continuously active.There is also an associated loss of tumor suppressor gene activity allowing uncontrolled growth of cells.
• C)The proto-oncogenes mutate and become oncogenes which stop functioning altogether.There is also an associated increase in the tumor suppressor gene activity allowing uncontrolled growth of cells.
• D)The oncogenes mutate and become proto-oncogenes which stop functioning altogether.There is also an associated increase in the tumor suppressor gene activity allowing uncontrolled growth of cells.

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Definitions:

AIDS

Acquired Immunodeficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV) which severely damages the immune system.

Coronary Heart Disease

A condition characterized by the narrowing of the coronary arteries, leading to decreased blood flow to the heart muscle.

Blood Vessels

Tubular structures carrying blood through the tissues and organs; a vital component of the circulatory system.

Clogging

A type of folk dance originating in the Appalachian region where dancers create percussive sounds with their shoes.