| A | B |
|---|
| cells | basic unit that makes up all living things |
| cell theory | states that all living things are made up of cells |
| cell membrane | surrounds the cell, allows substances to pass in and out of the cell |
| cell wall | rigid outer structure of a plant cell |
| chloroplasts | organelle that contains chlorophyll |
| chlorophyll | chemical that assists in photosynthesis |
| chromosomes | carries genes; found in the nucleus |
| cytoplasm | watery gel inside a cell |
| mitochondria | organelle from which energy is released |
| nuclear membrane | structure that surrounds the nucleus; allows substances to pass in and out of the nucleus |
| nucleus | the control center of the cell |
| vacuole | organelle in which food and other substances are stored |
| photosynthesis | process in which green plants use energy to create food |
| diffusion | the movement of materials from an area of greater concentration to lesser concentration |
| osmosis | diffusion of water through a membrane |
| active transport | when a cell uses energy to move materials through a cell membrane |
| cell respiration | when oxygen is used to release stored energy by breaking down sugar |
| fermentation | when sugar is partly broken down and creates lactic acid |
| mitosis | when a cell divides to form two new ones |
| organelles | structures found within a cell |
