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:

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

What protects the lining of the stomach from acidic gastric juices?

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.