front 1 diffusion | back 1 the movement of molecules from areas of greater concentration to areas of lesser concentration |
front 2 osmosis | back 2 the diffusion of water across the cell membrane |
front 3 active transport | back 3 a process that allows molecules to move across the cell membrane from lower to higher concentrations. |
front 4 photosynthesis | back 4 a process where plants use the energy of sunlight to produce carbohydrates |
front 5 color | back 5 how we perceive the energy of light |
front 6 pigment | back 6 a molecule that absorbs some colors of light and reflects others |
front 7 chlorophyll | back 7 the main pigment used in photosynthesis that absorbs blue and red light and reflects green light |
front 8 cellular respiration | back 8 the process in which the chemical bonds of energy-rich molecules are converted into a form of energy that cells can use |
front 9 ATP | back 9 a molecule that stores and transfers energy within cells. |