Specialized structures in cells are an example of what?

What type of cell is produced after fertilization occurs and the gametes combines ?

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.

Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus