1.Which of the following is a characteristic of a benign tumor?
A.It is surrounded by a capsule.
B.It invades surrounding tissues.
C.It is harmless.
D.It causes pain when it presses on a nerve.
2.
Which of the following is NOT an environmental factor that causes cancer?
A.humanpapilloma virus (HPV)
B.radiation
C.certain drugs or chemicals
D.a mutation in the BRCA1 gene
3. What is TRUE about normal cells?
A.Normal cells do not function appropriately in the tissue or organ they are a part of.
B.Normal cells do not move from one organ or body system to another.
C.Normal cells do not obey genetic instructions to stop growing and dividing.
D.Normal cells contain damaged genetic material.
4.. What is meant by cell differentiation?
A.It refers to the damage to genetic material that causes cancer.
B.It refers to the way cancer cells differ from normal cells.
C.It refers to the ability of cancer cells to spread.
D.It refers to the way different types of cells look and function.

Respuesta :

It is harmless, humanpapilloma virus (HPV), Normal cells do not move from one organ or body system to another AND It refers to the way different types of cells look and function are the answers.

What is the characteristic of benign tumor?

A main characteristic of a benign tumor is that it is harmless and not spreading to the surrounding cells.

Humanpapilloma virus (HPV) is not an environmental factor that causes cancer because it is a living organism.

Normal cells do not move from one organ or body system to another is a true statement about normal cells.

Cell differentiation refers to the way different types of cells look and function. Different cells take on individual characteristics and perform different functions.

So we can conclude that it is harmless, humanpapilloma virus (HPV), Normal cells do not move from one organ or body system to another AND It refers to the way different types of cells look and function are the answers.

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