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Bio 9 - Organelles / Cell Structures
Flash cards for studying organelles and cell structures in 9th grade biology.
15
Biology
9th Grade
03/09/2011

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Term
cytoplasm
Definition
Semi-fluid material inside the cell's plasma membrane.
Term
lysosome
Definition
Vesicles that use enzymes to digest excess or worn out cellular substances.
Term
chloroplast
Definition
Double membrane, captures light energy and converts it into energy.
Term
cytoskeleton
Definition
Support network of protein fibers and tubes within the cytoplasm.
Term
cell membrane
Definition
Selectively permeable boundary that controls what enters and leaves the cell.
Term
mitochondria
Definition
Membrane-bound, converts fuel into energy for the cell (powerhouse of the cell).
Term
flagella
Definition
Long tail-like projection that helps a cell move through a watery environment.
Term
cell wall
Definition
In PLANTS...rigid barrier that surrounds the outside of the plasma membrane for support and protection.
Term
endoplasmic reticulum
Definition
Folded membrane that is the site for protein and lipid synthesis.
Term
nucleus
Definition
In eukaryotic cells, the central membrane-bound organelle that manages cellular functions--DNA is kept here.
Term
vacuole
Definition
Membrane-bound vesicle that stores food enzymes and wastes.
Term
ribosomes
Definition
Simple cell that manufactures proteins.
Term
golgi apparatus
Definition
Flattened stack of tubular membranes that modifies, sorts, packages, and transports proteins out.
Term
nucleolus
Definition
Site where ribosome production takes place within the nucleus.
Term
centriole
Definition
Plays a role in cell division and is made of microtubules.
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