I want guy friends lol, hmu

The transport tubes for food coming down the plants are called?

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

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.