Transport of materials into a cell against a concentration gradient, from low to high, requires a) water. b) energy. eliminate c) osmosis. d) a passageway.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

Archaebacteria use for movement. celia flagella pili cell walls

A(n) is a molecule influences the way that a molecule reacts.