2) Karen drops a box from 10m above the ground. She knows it has 50 J of energy. How much did the box weigh? (Nearest hundredth)

What causes temperature extremes in the desert

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.

Which of the following is not a type of epithelial cell