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cells
Stack #119413
Question | Answer |
---|---|
cytoplasm | everything inside a cell |
cytosol | the gel-like material that fills the cell |
inclusions | granular stores of compounds |
ribosomes | site of protein production |
smooth endplasmic reticulum | no ribosomes |
rough endoplasmic reticulum | ribosomes |
golgi apparatus | shipping and recieving center of the cell |
lysosomes | contain digestive enzymes and acids to break down organic material |
peroxisomes | contain enzymes that detoxify free radicals of oxygen |
mitochondria | energy production |
cytoskeleton | network of protein fibers that form support to cell and anchor organelles |
microfilaments | Actin. smallest |
intermediate filaments | kerotin. middle sized |
microtubules | tubulin. largest |
plasma membrane | composed of a greasy phospholipid bilayer |
fluid mosaic model | human cell fused with mouse cell to show that they will mix |
microvilli | small projections on the cell surface to increase surface area of the cell |
tight junctions | almost impermiable layer |
desmosomes | hold tissues together |
gap junctions | "communication junctions" cells respond together |
isotonic | no net movement of water |
hypotonic | water moves into cell and may cause it to burst |
hypertonic | water moves out of the cell |
osmosis | the diffusion of water |
active transport | requires atp. requires a transport protein |
primary active transport | uses pumps |
vesicular transport | transporting large and particulate substances |
endocytosis | process of importing things |
exocytosis | process of exporting things |