Cell Structures & Function
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Created by:
tkochi on February 24, 2009
Subjects:
biology terms, biology, biology vocab
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30 terms
Terms | Definitions |
|---|---|
 Cell Wall | Rigid layer surrounding the cell, provides structure and support (plants only) |
| Centriole | One of the two tiny structures located in cytoplasm of animal cells near the nuclear envelope, used in cell division |
| Chloroplast | Organelle found only in plant cells and some protists, which contains chlorophyll and converts light energy into chemical energy through a process called photosynthesis |
| Cytoplasm | All the jelly like material inside the cell |
| Mitochondria | An organelle containing enzymes responsible for producing energy |
| Nucleus | A part of the cell containing DNA and RNA and responsible for growth and reproduction |
| Cytosol | The aqueous part of the cytoplasm within which various particles and organelles are suspended |
| Ribosome | Makes/synthesizes proteins, an organelle in the cytoplasm of a living cell |
| Vacuole | A tiny cavity filled with fluid in the cytoplasm of a cell |
| Chlorophyll | Any of a group of green pigments found in photosynthetic organisms |
| Organelle | Membrane bound structure inside a cell that performs a specific function |
| DNA | Deoxyribonucleic Acid |
| Nucleolus | A small round body of protein in a cell nucleus |
| Rough Endoplasmic Reticulum | Site of protein synthesis and transport |
| Golgi apparatus | A net-like structure in the cytoplasm of animal cells (especially in those cells that produce secretions) |
| Microtubule | Proteins capable of movement, found within the flagella of eukaryotes |
| Microfilament | Solid rod of protein, thinner than a microtubule, that enables a cell to move or change shape |
| Plasma Membrane | The semipermeable membrane that encloses the cytoplasm of a cell |
| Semi-permeable | Permitting passage of only certain molecules |
| Cell Theory | Statement that all living things are composed of cells and that all cells come from other cells |
| Prokaryote | A unicellular organism having cells lacking membrane-bound nuclei |
| Flagella | Whiplike tails found in one-celled organisms to aid in movement |
| Eukaryote | An organism with cells characteristic of all life forms except primitive microorganisms such as bacteria |
| Cytoskeleton | A microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence |
| Vesicle | A small sac or bladderlike structure |
| Chromosomes | Thread like structures that have genetic info that is passed down from one generation to the next |
| Chromatin | Clusters of DNA, RNA and proteins in the nucleus of a cell |
| Lysosome | Performs digestive functions of the cell; known as the cleanup crew |
| Smooth Endoplasmic Reticulum | Makes molecules such as lipids |
| Nucleoplasm | Jelly like fluid located in the nucleus |
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