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SLS Bio12 LJ
Cell Structure
| Term | Definition |
|---|---|
| Cell Membrane | the outer membrane of a cell. Has a fluid mosaic structure regulating the movement of materials across it. |
| Cell Wall | supportive structure outside the cell membrane in some cells. Plant Cells have a cells wall, but Animal Cells do not. |
| Cellular Respiration | metabolic pathway. Carbon compounds are taken apart and the released bond energies are retained by high- energy phosphate bond of ATP. |
| Chloroplast | eukaryotic organelle that contains chlorophyll. The chlorophyll is located in complex membranous structures inside the chloroplasts |
| Chromatin | Chromatin is one chromosome.Replication occurs when it is a chromatin |
| Chromosome | contains DNA and small proteins called histones. |
| Cristae | shelf-like folds of the inner membrane of a mitochondrion. Contains enzyme complexes that conduct many of the reactions of cellular respiration |
| Cytoplasm | watery fluid within a cells plasma membrane in which organelles are suspended |
| Cytoskeleton | internal framework of a cell, which consists of protein filaments and stands. some functions are to maintain cell shape, others allow shape to alter |
| Golgi Bodies | a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions) |
| Lysosome | An organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane |
| matrix | Ground substance in which things are embedded of that fills a space. |
| Mitochondria | An organelle found in large numbers in most cells, in which biochemical processes of respiration and energy production occur |
| Nuclear envelope | the double lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells |
| Nuclear pore | Large protein complexes that cross the nuclear envelope, which is the double membrane surrounding the eukaryotic cell nucleus |
| Nucleolus | small dense spherical structure in the nucleus of a cell during interphase |
| Nucleus | A membrane bound structure that contains the cells hereditary information and controls the cells growth and reproduction. it is commonly the most prominent organelle in the cell |
| Organelle | Any of a number of organized of specialized structures within a living cell |
| Polysome | A cluster of ribosomes held together by a strand of messenger RNA |
| Ribosome | a minute particle consisting of RNA and associated proteins found in large numbers in the cell cytoplasm of living cells |
| Rough Endoplasmic Reticulum | studded with ribosomes on the cytosoloicface. sites of protein synthesis. Found in hepatocytes where protein synthesis occurs actively |
| Smooth Endoplasmic Reticulum | Smooth network without the ribsosomes. concerned with lipid metabolism, carbohydrate metabolism and detoxification |
| Vacule | space of vesicle within the cytoplasm of a cell enclosed by a membrane and typically containing fluid |
| vesicle | bubble-like membranous structure that stores and transports cellular products, and digests metabolic wastes within the cell |
Created by:
laurenjohn
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