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The Cell
Cell Organelles
23
Biology
10th Grade
11/11/2008

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Term
Cell Membrane
Definition
regulates what enters and leaves the cell, aids in protection and support of cell
Term
ribosomes
Definition
makes protein
Term
Vacuoles
Definition
stores materials such as, water, salts, proteins, and carbs
Term
Plastids
Definition
storage of food and pigments
Term
Cytoplasm
Definition
holds organelles in place
Term
Nucleus
Definition
controls cell activity, contains DNA
Term
Golgi
Definition
collects and distributes molecules
Term
Mitochondria
Definition
powerhouse, provides cell with energy
Term
Cytoskeleton
Definition
supports cell structure and drives cell movement
Term
Nucleolus
Definition
where ribosomes are made
Term
Chloroplasts
Definition
trap energy of sunlight convert it into chemical energy
Term
Microfilament
Definition
holds ribosomes, mitochondria, and endoplasm reticulum in place
Term
Centrioles
Definition
dense center of centrosome
Term
Smooth Endoplasmic Reticulum
Definition
transports material throughout the inside of the cell
Term
Chromatin
Definition
contains your DNA in a non-dividing cell
Term
Cilia
Definition
helps unicellular organisms move
Term
Rough Endoplasmic Reticulum
Definition

conatins ribosomes --> where protein synthesis occurs

Transports materials through the cell and produces protein sacks

Term
Nuclear Envelope
Definition
membrane that surrounds the nucleus of the cel, molecules, can enter and exit the nucleus
Term
 Microtubules
Definition
makes up the cytoskeleton, helps make up cell structure
Term
Flagella
Definition
long whip like structures that help unicellular organisms move around
Term
Cell Wall
Definition
lining of cell, protects cell, makes it rigid
Term
Lysosomes
Definition
contain chemicals and enzymes necesssary for digesting material in cell
Term
Chromosome
Definition
DNA attached to a specialized protein in nuclei
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