| A | B |
|---|
| autotroph | organisms make own food |
| heterotroph | organisms obtain food |
| adenosine triphosphate | chemical compound used to store energy |
| photosynthesis | energy, water, and CO2 into glucose and O2 |
| pigment | light absorbing molecules used by plants |
| chlorophyll | principal pigament |
| thylakoid | saclike photsynthetic membranes |
| stroma | region outside the thylakoid membranes |
| NADP+ | nicotinamide adenine dinucleotide phosphate |
| light-dependent reactions | require light and produce light and energy |
| ATP synthase | a protein found in the membrane |
| calvin cycle | takes energy and stores for a long time |
