Answer: boom
Explanation: hope this is right :)
(1) they keep toxic substances out of the cell;
(2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment;
(3) they separate vital but incompatible metabolic processes conducted within organelles.
Answer:
cyclone dust collecter
Explanation:
i just guessed i cant say it is right
D lowering the activation energy of a reaction.
