When a receptor is overstimulated it becomes . When this occurs the subunit of the G-protein recruits to the membrane, which the receptor. This attracts to the receptor, which binds to its intracellular domains. This blocks its interaction with and targets it for accumulating in -coated pits.

the answer will be a) proteins i believe

atp is used for energy.

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.