What would happen to aquatic organisms if solid water were denser than
liquid water?
o
a. the organisms would migrate to land.
o
b. the organisms would survive under the floating surface of ice
during the winter.
o
c. the organisms would be unaffected.
o
d. the organisms would die as the water froze from the bottom up.

Which units ate used to measure both velocity and speed? check all that apply

What substance acts to prevent sudden ph changes in bodily fluids?

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.