| A | B |
| photosynthesis | the process of transferring light energy into chemical energy |
| chloroplasts | green dots in the plant cell where photosynthesis occurs |
| thylakoid | a membrane disc that holds chlorophyll in the chloroplast |
| granum | a stack of thylakoids |
| stroma | fluid that surrounds the thylakoids in the chloroplast |
| photosystem I | electrons are used as chemical energy |
| photosystem II | electrons are used as electrical energy |
| Calvin Cycle | Dark reaction or light-independent reaction |