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Biology Organelles
Organelle flash cards of cells.
13
Biology
10th Grade
12/02/2012

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Term
Cell or Plasma membrane
Definition
Protects the cell. Controls traffic in and out of the cell. The outer boundary.
Term
Cytoplasm
Definition
The liquid enviorment inside the cell. Holds and suspends all other cell parts.
Term
Ribosome
Definition
Make proteins. Float in cytoplasm and stick to rough ER.
Term
Nucleus
Definition
The cell's managing structure. Contains most of the cell's DNA.
Term
Endoplasmic Reticulum
Definition
Only in Animal and Plant cells. A membrane system of folded sacs and interconnected channels that serve as the site for protein and lipid synthesis.
Term
Golgi Body
Definition
Only in Eukaryote cells. A flattened stack of membranes that modifies, sorts and packages proteins into sacs called vesicles.
Term
Chloroplast
Definition
Only in plant cells. A double membrane organelle with thylakoids comtaining chlorophyll where photosynthesis takes place.
Term
Mitochondria
Definition
A membrane bound orghanelle that makes energy available to the rest of the cell.
Term
Centriole
Definition
Organelles that occur in pairs and are important for cell division.
Term
Vacuole
Definition
a membrane bound vesicle for temporary storage of materials.
Term
cillia
Definition
Projections from cell surfaces that aid in locomotion and feeding; also used to sweep substances along surfaces.
Term
Flagellum
Definition
Projections that aid in locomotion and feeding.
Term
Cell Wall
Definition
An inflexible varrier that provides support and protects the plant cell.
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