| A | B |
| ENERGY | THE ABILITY TO DO WORK |
| THERMODYNAMICS | THE STUDY OF THE FLOW AND TRANSFORMATION OF ENERGY |
| METABOLISM | ALL OF THE CHEMICAL REACTIONS IN A CELL |
| PHOTOSYNTHESIS | THE ANABOLIC PATHWAY IN WHICH LIGHT ENERGY FROM THE SUN IS CONVERTED TO CHEMICAL ENERGY |
| CELLULAR RESPRIATION | THE CATABOLIC PATHWAY IN WHICH ORGANIC MOLECULES ARE BROKEN DOWN TO RELEASE ENERGY |
| ATP | THE MOST IMPORTANT BIOLOGICAL THAT PROVIDES CHEMICAL ENERGY |
| CHEMOAUTOTROPHS | USE INORGANIC SUBSTANCES AS A SOURCE OF ENERGY |
| AUTOTROPHS | ORGANISMS THAT MAKE THEIR OWN FOOD |
| PHOTOAUTOTROPHS | ORGANISMS THAT CONVERT ENERGY FROM THE SUN |
| THYLAKOID | FLATTENED SAC-LIKE MEMBRANES THAT ARE ARRANGED IN STACKS |
| GRANUM | STACKS OF THYLAKOIDS |
| STROMA | FLUID-FILLED SPACE OUTSIDE THE GRANA |
| PIGMENT | LIGHT-ABSORBING MOLECULES |
| NADP+ | AN ELECTRON CARRIER IN PHOTOSYNTHESIS |
| CALVIN CYCLE | SECOND PHASE OF PHOTOSYNTHESIS: WHERE GLUCOSE IS FORMED |
| RUBISCO | AN ENZYME IN THE CALVIN CYCLE |
| ANAEROBIC | WITHOUT OXYGEN |
| AEROBIC | WITH OXYGEN |
| GLYCOLYSIS | FIRST STAGE OF CELLULAR RESPRIATION: GLUCOSE IS BROKEN DOWN INTO PYRUVATE |
| KREBS CYCLE | SECOND STAGE OF CELLULAR RESPIRATION |
| FERMENTATION | REGENERATES THE CELL'S SUPPLY OF NADH IN THE ABSENCE OF OXYGEN |