| A | B |
|---|
| cell | The basic unit of life. |
| nucleus | The command center of the cell, this is a spherical organelle containing many other organelles. |
| nucleolus | An organelle within the nucleus of animal cells where ribosomal RNA is produced. |
| endoplasmic reticulum | A vast network of interconnected, folded sacs that are located in the cell's cytoplasm. |
| smooth ER | The endoplasmic reticulum that does not house the ribosomes, this portion transports materials through the cell. |
| rough ER | The outer layer of the endoplasmic reticulum where ribosomes live, this organelle transports materials through the cell and produces proteins. |
| centrosome | Called the "microtubule organizing center", this plays an important role in cell division. |
| Golgi body | A flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus, it packages proteins and carbohydrates for transport. |
| mitochondria | The powerhouse of the cell, these spherical to rod-shapes organelles convert glucose to ATP. |
| lysosome | Round organelles surrounded by a membrane that contain digestive enzymes, responsible for digestion of cell nutrients. |
| vacuole | Organelles that fill with digested food and waste for transport out of the cell. |
| cell membrane | the thin layer of protein and fat that surrounds the cell |
| cytoplasm | The jellylike material outside the cell nucleus in which the organelles are located. |
| cell wall | A thick, rigid membrane that surrounds a plant cell, made of cellulose. |
| chloroplast | An elongated or disc-shaped organelle containing chlorophyll. Photosynthesis takes place here. |
| amyloplast | An organelle in some plant cells that stores starch. |
| nuclear membrane | The membrane that surrounds the nucleus in animal cells. |
| ribosome | Small organelles found on ER which are the site of protein synthesis. |
| chlorophyll | Chlorophyll is a molecule that can use light energy from sunlight to turn water and carbon dioxide gas into sugar and oxygen (this process is called photosynthesis. |
| photosynthesis | A process in which plants convert sunlight, water, and carbon dioxide into food energy (sugars and starches), oxygen and water. |
| pili | Hair-like projections that allow bacterial cells to stick to surfaces and transfer DNA to one another. |
| flagellum | A long whip-like structure used for locomotion (movement). Some bacteria have more than one flagellum. |
| basal body | A structure that anchors the base of the flagellum and allows it to rotate. |
| capsule | A layer on the outside of the cell wall. Most but not all bacteria have a capsule. |
