Which of the following is generally true of cancer?

+2 votes

 

  

It always occurs when DNA is damaged.

  

Cancer occurs when mutations disable genes that stop the cell cycle or those that activate it.

  

It always occurs when tumor suppressor genes are mutated.

  

It only occurs when a protein that activates the cell cycle is constitutively expressed.

 

asked Dec 27, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

Cancer occurs when mutations disable genes that stop the cell cycle or those that activate it.

 

answered Dec 27, 2012 by JPx ~Expert~ (379 points)



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