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Cell Organelles
vocab for cell structure and function
| Term | Definition |
|---|---|
| cell wall | found in plants; support and structure |
| cell membrane | maintains homeostasis |
| chromatin | strands of DNA (chromosomes) |
| christae | inner membrane of mitochondria |
| cytoplasm | jelly-like fluid that surrounds organelles within a cell |
| cytoskeleton | internal framework of the cell; made up of microtubules and filaments |
| golgi body | stores, packages, and moves materials out of the cell |
| lysosome | filled with enzymes that help break down food or old structures |
| matrix | fluid in the mitochondria containing, ribosomes, DNA, and enzymes that provide energy to produce ATP |
| nuclear envelope | pores on the nucleus that control the movement of substances in and out of the nucleus |
| nuclear pore | permit the passage of protiens in and ribosomes out of the nucleus |
| nucleolus | inside the nucleus, creates ribosomes |
| organelles | structures in a cell that carry out a specific function |
| polysomes | (polyribosome) string of ribosomes simultaniously translating mRNA strand during protien synthesis |
| ribosomes | mostly found on the rough ER, assembles proteins |
| rough endoplasmic reticulum (rough ER) | contains ribosomes, secrets proteins that it produced |
| smooth endoplasmic reticulum | does not contain ribosomes, production of lipids |
| vacuoles | responsible for food and water storage |
| vesicle | small vacuoles used to transport materials |
| plasma membrane | similar to cell membrane. |