Please answer all questions

1		Unlike direct sunlight, tanning machines are not associated with the development of malignant melanoma.
			A)	True
			B)	False
2		Cancer cells undergo uncontrolled growth.
			A)	True
			B)	False
3		Tumors undergoing metastasis are establishing new and distant tumors.
			A)	True
			B)	False
4		A tumor-suppressor gene prevents cancer from occurring.
			A)	True
			B)	False
5		A change in many nucleotide pairs is necessary to convert a normal ras proto-oncogene to an oncogene.
			A)	True
			B)	False
6		Ordinarily, tumor-suppressor genes code for growth-inhibitory proteins whose presence prevents uncontrolled growth during the cell cycle.
			A)	True
			B)	False
7		In adults, cells that have DNA damage beyond repair usually undergo apoptosis.
			A)	True
			B)	False
8		Certain types of cancers run in families.
			A)	True
			B)	False
9		A mutagen increases the chance of a mutation.
			A)	True
			B)	False
10		When smoking is combined with drinking alcohol, the risk of cancer increases even more.
			A)	True
			B)	False
11		Tumors release substances that provoke an antibody response, enabling tumor marker tests.
			A)	True
			B)	False
12		PSA is a test for prostate cancer.
			A)	True
			B)	False
13		Multidrug resistance means that cancer cells have become resistant to combinations of drugs.
			A)	True
			B)	False
14		Monoclonal antibodies alone are very effective at killing cancer cells.
			A)	True
			B)	False
15		TIMPs may be able to prevent metastasis.
			A)	True
			B)	False
16		One aim of chemoprevention is to promote differentiation.
			A)	True
			B)	False