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Glossary of Cell Parts and Functions 2

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Nucleus
The nucleus directs all activities of the cell including reproduction.
Nucleolus
The nucleolus produces ribosomes.
Mitochondria
Most of the cell's energy is produced within these rod-shaped organelles.
Vacuole
Most mature plant cells have one large vacuole. The sac within the cytoplasm stores water, food, waste products, and other materials./ Some animal cells have vacuoles that store food, water, waste, and other materials.
Cytoplasm
The cytoplasm includes a gel-like fluid in which many different organelles are found.
Cytoskeleton
The cytoskeleton helps to maintain the cell's shape.
Golgi Complex
The golgi bodies recieve materials from the endoplasmic reticulum and send them to other parts pf the cell. They also release materials outside the cell.
Rough Endoplasmic Reticulum/Smooth Endoplasmic Reticulum
This network of passageways carries materials form one part of the cell to another.
Chloroplast
These organelles capture energy from the sunlight and use it to produce food for the cell.
Cell Wall
In a plant cell, a stiff wall surrounds the membrane, giving the cell a rigid, boxlike shape.
Cell Membrane
Since an animal cell does not have a cell wall, the cell membrane forms a barrier between the cytoplasm and the environment outside the cell.
Chromatin
Contains DNA.
Lysosome
These small organelles contain chemicals that break down food particles and worn out cell parts.
Ribosomes
These small strcutures function as factories to produce proteins. Ribosomes may be attached to the endoplasmic reticulum, or they may be floating the cytoplasm.

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