Which describes one of the ways proteins behave in facilitated diffusion?

A) They change membranes.

B) They use ATP.

C) They change shape.

D) They create channels ...

What are the characteristics of an ice fish

How would endosymbiosis have been mutually beneficial for pre-eukaryotic cells and for the small?

Which statement explains what happens to older crust during seafloor spreading? It is destroyed at coastlines. It moves under continents. It is destroyed at a mid-ocean ridge. It moves away from a mid-ocean ridge.

If magnesium (metal) has two valence electrons while chlorine (nonmetal) has seven, how many chlorine atoms are needed to form an ionic bond with magnesium? A. One B. Two C. Four D. Three

What does revolution give us on the planet?

An atom has an 16 protons, 18 neutrons, and 13 electrons. What are its atomic number, atomic mass, and net charge?

Why does Juliet ask Romeo not to swear his love's allegiance by the moon?

What is a nucleus like in real life?

18. How do archaea and bacteria differ? A. Archaea can exist as multicellular organisms, while bacteria are unicellular. B. Archaea are eukaryotes, and bacteria are prokaryotes. C.

What causes seafloor spreading? A) magma from convection currents B) gas leaks C) divergent boundaries D) hurricanes