| A | B |
|---|
| selectively permeable | a term that describes biological membranes, which allow some substances to pass across them while others cannot |
| lipid bilayer | a flexible double-layered sheet that makes up the cell membrane and forms a barrier between the cell and its surroundings |
| cell wall | a strong, supporting layer around the cell membraine in some cells |
| mitochondrion | an organelle that convert chemical energy in food to ATP (adenosine triphosphate) |
| chloroplast | an organelle that converts solar energy into cellular energy via photosynthesis |
| Golgi Apparatus | an organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell |
| endoplasmic reticulum | an organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell |
| ribosome | a small particle of RNA and protein that produces proteins by following coded instructions that come from DNA |
| cytoskeleton | a network of protein filaments that gives a cell its shape and internal organization |
| lysosome | organelle that breaks down lipids, carbohydrates, and proteins into small molecules that can be used by the rest of the cell |
| centriole | a structure in animal cells that aid in cell division |
| vacuole | organelle that stores material such as water, salts, proteins, and carbohydrates |
| organelle | a specialized structure that performs important functions in the cell |
| cytoplasm | the portion of the cell that is outside of the nucleus |
