Mrs. Jackson tells the class of a new species of living thing that was recently discovered. Cell theory states that which of the following must be true about this new living thing?

A. It must be made up of one or more cells.

B. Its cells must be able to make their own food.

C. All its cells must perform the same function.

D. Some of its cells must include a cell wall.

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.