| A | B |
|---|
| active transport | carriermediated process |
| sodium potassium pump | operates in the plasma membrane |
| endocytosis | "traps" some extracellular material |
| exocytosis | large molecules leave the cell |
| metabolism | chemical reactions in the body |
| metabolic pathway | catobolic |
| catabolism | metabolism that breaks down molecules |
| anabolism | metabolism that builds large molecules from smaller ones |
| enzymes | functional proteins |
| cofactor | nonprotein part of the molecule |
| coenzyme | organic nonprotein cofactor molecule |
| active site | structural attribute |
| substrate | molecule acted upon by an enzyme |
| allosteric effector | alters enzyme function |
| end-product inhibition | chemical product at the end of a metabolic pathway |
