Following are required for normal growth
High-Yield Explanation
A,B,D are answers Ref Robbins 7/e p290; 9/e p280 A proto-oncogene is a normal gene that could become an oncogene due to mutations or increased expression. Proto-oncogenes code for proteins that help to regulate the cell growth and differentiation. Proto-oncogenes are often involved in signal transduction and execution of mitogenic signals, usually through their protein products. Examples of proto-oncogenes include RAS, WNT, MYC, ERK, and TRK.