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Chapter 2 - cell organelles
Cell Organelles
12
Biology
6th Grade
11/24/2011

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Term
Mitochondria
Definition
Organelles that produce energy needed to operate eukaryotic cells
Term
Nucleus
Definition
The control center of eukaryotic cells. It is where the DNA is stored.
Term
Cell membrane
Definition
A thin membrane surrounding cells which holds the cytoplasm and other cell contents together.
Term
Cytoplasm
Definition
The jelly-like material within a cell in which the organelles are suspended.
Term
Nuclear membrane
Definition
The membrane around the nucleus.
Term
Golgi apparatus
Definition
Organelles which package, deliver, and store fats and proteins in eukaryotic cells
Term
Endoplasmic reticulum
Definition
Organelles which make fats and proteins.
Term
Ribosomes
Definition
Structures in almost all cells that are involved in making proteins. They are sometimes attached to Endoplasmic reticulum. ER with these attached is called ROUGH ER
Term
Lysosomes
Definition
Organelles which break down cellular waste
Term
Centrioles
Definition
Organelles responsible for cell division.
Term
Microtubules
Definition
Thin strands of protein that act as the "skeleton" of the cell by helping the cytoplasm hold its shape. Centrioles are also made of these protein strands.
Term
Flagella
Definition
Tail-like projections on some cells that enable the cells to move.
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