Which of the following is true of proto-oncogenes?

+1 vote

 

  

When mutated they become tumor suppressors, driving the cell cycle forward and promoting cancer.

  

When mutated they become oncogenes, driving the cell cycle forward and promoting cancer.

  

When mutated, proto-oncogenes become oncogenes, alleles that inhibit cancer by halting the cell cycle.

  

When mutated, they become tumor suppressors, halting cell cycle progression until the signals are right to move forward.

 

asked Dec 27, 2012 in Biology by anonymous
    

1 Answer

+1 vote

 

When mutated they become oncogenes, driving the cell cycle forward and promoting cancer.

 

answered Dec 27, 2012 by FLoops ~Expert~ (2,117 points)

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