If this protein is unable to hydrolyze it bound GTP, invaginated clathrin coated pits accumulate but fail to pinch off from the membrane. In neurons, long vesicle necks collared by the protein are observed and presynaptic endocytosis is blocked. This protein:

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Which locations on the map are low-pressure areas? a b c d e