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Cells and Organelles

Cells and Organelles Note Cards

Cell Theory All cells come from existing cells. All living things are composed of cells. Cells are the basic unit of structure and function of living things.
Cytoplasm Clear, jellylike substance that protects organelles.
Cell Membrane Outer layer of animal cells and layer beneath cell walls in plants
Nucleus Oval organelle that contains the cell's DNA and controls the cell's activities.
Endoplasmic reticulum (ER) Network of tubes or membranes, both smooth and rough, that carry materials through the cell and aid in making proteins and lipids.
Ribosome Small organelle that synthesizes protein and is often attached to the ER.
Mitochondrion Peanut shaped organelle, known as the power house of the cell, breaks down sugar molecules to release energy.
Vacuole Organelles that store water, food, and toxic wastes.
Chloroplast Green, oval shaped organelles that are found in plants and use energy from the sun to produce food.
Golgi body Flattened sacs that modify, package, and transport materials.
Lysosome Small organelles that help break down larger food molecules into smaller ones.
Cell Wall Outer layer of plant cells; it supports and protects the cell.
Which cell parts are not found in animals? Cell wall and chloroplast.
Cell The basic unit of structure and function in living things.
Organelle A tiny cell structure that carries out specific functions in a cell.
Eukaryote An organism that is made up of cells and has a true nucleus.
Prokaryote An organism that does not have a true nucleus.
Created by: cook2sm
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