How does atp enable transport proteins to move ions across a cell menbrane?

i know can you plzz me with this question im sorry i didt answer your question i just need hel.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101

not always but somethings can be reproduced in a laboratory.