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Ch. 3 Cells

Cell Organelles

QuestionAnswer
Cells The basic unit of structure & function in all living things.
Organelles Tiny structures inside a cell that carry out specific functions within a cell
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 functions of a cell.
Nuclear membrane It surrounds & protects the nucleus.
Nucleolus Found inside the nucleus. It makes ribosomes.
Ribosomes The site where proteins are made
Golgi body The cell’s “mailroom”. They receive proteins and package them and distribute them to other parts of the cell.
Endoplasmic Reticulum Passageways that carry proteins and other materials from one part of the cell to another.
Mitochondria Energy suppliers of the cell.They release energy stored in food.Cells that need more energy have more mitochondria.
Lysosome Small round structures that contain chemicals to break down food & waste.The recycling centers of the cell. They “clean” the cell.
Vacuoles The storage rooms of the cell.Mostly contain water and food. Very large in plants.
Cell Membrane A protective barrier that surrounds a cell. It 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 a “skeleton”. It is made of a non-living material called cellulose.It supports and protects.
Chloroplast Only found 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.
Created by: Kusutasd