which-of-the-following-scenarios-best-illustrates-ions-flowing-down-their-electr

Question

Which of the following scenarios best illustrates ions flowing down their electrochemical gradient?

Accepted Answer

Cl- ions moving towards a region with opposite electrical charge.

Answer

Ca2+ ions moving randomly across a membrane.

Answer

Na+ ions moving from a region of low concentration to high concentration.

Answer

K+ ions moving against their concentration gradient.