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Ch.3 Cell Organelles

TermDefinition
Cells The basic unit of structure and function in all living things
Organelles Tiny structures inside a cell that carry out specific functions
Nucleus The information center. The "brain" of the cell, Contains the chromatin
Chromatin Material in cells that contains DNA and carries genetic information, It directs the function of a cell
Nuclear membrane It surround and protects the nucleus
Nucleolus Found inside the nucleus and makes ribosomes
Ribosomes The site where the proteins are made
Golgi body / Golgi apparatus The cells "mail room" they receive proteins and package them and distribute them to other parts of the cell
Endoplasmic Reticulum Passageways that carry protein and other materials from one part of the cell to another
Mitochondria Energy suppliers of the cell, they release energy stored in food, and cells that need more energy have more mitochondria
Lysosomes Small round structures that contain chemicals to break down food and waste, it's known as the recycling center of the cell and they "clean" the cell
Vacuoles The storage rooms of the cell, mostly contain water and foods and is very large in plants
Cell Membrane/ Plasma Membrane A protective barrier that surrounds a cell and regulates what substances enter and leave the cell
Cytoplasm A gel-like substance found between the nucleus and cell membrane
Cell Wall (only in PLANTS) It is like the "skeleton" and is made up on nonliving material called the cellulose, it supports and protects the cell
Chloroplast (only in PLANTS) This is where photosynthesis happens, they contain a green pigment called chlorophyll
Chlorophyll Captures sunlight energy and uses it to make carbohydrates (food) for the cell
Vesicle fluid filled sac that forms during exocytosis (secretion), endosytosis (uptake), or transport of materials within the cytoplasm
Cytoskeleton Network of protein filaments in some cells-helps maintain shape; also involved in cell movement
Created by: Orihime_127
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