Name 2 essential roles that enzymes play in cells

Enzymes are macro molecular biological catalysts. They accelerate chemical reactions.

Enzymes break down waste and they also break down pyruvic acid.

not too sure maybe olecranon process

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.