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. |