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Quick's Cell organelles
cell organelle functions
13
Biology
10th Grade
10/24/2011

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Term
Plasma Membrane (Cell membrane)
Definition
a two layer structure that surrounds the cell and controls what enters and leaves the cell, it is semi-permeable
Term
Nucleus
Definition
houses and protects cells DNA, directs all cell functions
Term
Nuclear envelope
Definition
a membrane that surronds a cell's DNA thereby forming the Nucleus
Term
Nucleolus
Definition
a dense area of DNA found in the Nucleus, it produces ribosomes (RNA)
Term
Mitochondria
Definition
organelles that turn food (glucose) into ATP (chemical energy) for the cell
Term
Ribsomes
Definition
small circular oragnelles produced in the nucleolus and responsible for building proteins
Term
Rough endoplasmic reticulum
Definition
a system of interconnected, flattened sacs directly connected to the nucleus, covered in ribosomes and the site of protein synthesis
Term
smooth endoplasmic reticulum
Definition
a system of interconnected, flattened sacs directly connected to the nucleus, that are responsible for detoxifying blood
Term
Vesicles
Definition
small round storage units for the cell, they are named by what they contain
Term
Golgi Apparatus
Definition
package and trasport materials throughout the cell
Term
cell wall
Definition
a structure found only in plant cells, located outside the plasma membrance
Term
central vacuole
Definition
a structure found only in plant cells that is large and contains water for the cell
Term
Chloroplast
Definition
a structure found only in plant cells that takes sunlight and turns it into glucose
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