BiologyWeymouthHS on May 27, 2008
cells, cellular, organelles, organelle
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Log in to favorite or report as inappropriate.Terms | Definitions |
|---|---|
plasma membrane | thin flexible barrier that regulates what enters and exits the cell; composed of two layers of lipids |
nuclear envelope | membrane surrounding the nucleus |
nucleus | contains the DNA and controls all of the cell's acitivities |
nucleolus | helps to assemble ribosomes |
cytoplasm | material between the cell membrane and the nucleus |
mitochondrion | breaks down food to make ATP |
endoplasmic reticulum | internal transport system of the cell, modifies proteins, and synthesizes lipids |
Golgi apparatus | stack of membranes that modify proteins and creates "packages" to send them to other locations |
lysosome | filled with enzymes to breakdown dead cell parts and foreign objects; only found in animal cells |
ribosome | synthesizes proteins |
vacuole | stores water and nutrients for the cell; very large in plant cells |
cell wall | provides structure and support around cell membrane of plants, fungi, and some bacteria |
chloroplast | uses sunlight to make carbohydrates in plants, some bacteria and protists |
centriole | organize the spindle fibers to separate chromosomes during animal cell mitosis |
cytoskeleton | network of proteins in the cytoplasm that help cell maintain its shape |
cilium | hairlike projections that help some cells move |
flagellum | whiplike structure some cells use for propulsion |
pseudopod | projection of cytoplasm that some protists use for movement and feeding |
prokaryote | cell without a nucleus, it contains a cell membrane, cytoplasm, and ribosomes; bacteria |
eukaryote | cell with a nucleus and membrane bound organelles; animals, plants, protists, fungi |
nseach, fortune_cell
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