Which of the following statements is true with regard to this animation? which of the following statements is true with regard to this animation? the cell does not expend atp. the cell is not expending energy. both sodium and potassium ions are transported against their concentration gradients. potassium ions are transported down their concentration gradient. sodium ions are transported down their concentration gradient.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.