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Chapter 3

Cell Parts and Organelles

Plasma Membrane The covering of a cell that allows materials to pass in and out of the cell. Made up of phospholipids.
Organelle Cellular Organs. Structures found in cells that perform tasks necessary for the cell to function and live.
Nucleus A large organelle that contains the chromosomes (DNA) and is the control center for the cell.
Cytoplasm A jelly-like substance found in the cell that holds organelles in place.
Cytoskeleton A cell's skeleton that gives the cell its shape
Ribosomes Small organelles made up of two parts that produce proteins in the cytoplasm.
Rough Endoplasmic Reticulum (RER) An organelle that looks like bunches of flattened disks and is covered in ribosomes. The RER helps produce proteins.
Smooth Endoplasmic Reticulum (SER) Flattened disk like structure, but it lacks the ribosomes. The SER produces lipids such as phospholipids for the membrane.
Golgi Apparatus An organelle that resembles a stack of pancakes. The golgi apparatus modifies proteins, lipids, and packages the cellular molecules for transport to other parts of the cell.
Lysosomes Membrane bound sacs produced by the golgi apparatus that contain digestive enzymes. Lysosomes breakdown dead cell parts, wastes, or unneeded materials.
Peroxisomes Vesicles that contain enzymes used to detoxify drugs, alcohol, and other toxins in the body.
Vacuole Large storage molecules in cells. Vacuoles are very large in plants.
Mitochondria Produce energy for the cell by breaking down glucose and producing ATP.
Parts of the cytoskeleton Microtubules, intermediate filaments, and actin filaments.
Centrioles Organelles that play a role in cell division by pulling apart chromosomes.
Cilia Hair-like structures that help in cell movement or the movement of material around the cell.
Flagella Long tail shaped structures that play a role in cell movement.
Vesicles Vesicles are not organelles, but are sacs that are produced to move materials within a cell or as temporary storage.
Created by: Mr.Klein



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