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Science Vocab
vocab
15
Science
7th Grade
12/20/2011

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Term
Organelle
Definition
Tiny cell structures that carry out specific functions inside the cell
Term
Nucleus
Definition
Controls all of the cell's activities
Term
Mitichondria
Definition
Convert energy in food meolecules to energy the cell can use to carry out its functions
Term
Endoplasmic Reticulum
Definition
Carry proteins and other materials from one part of the cell to another
Term
Ribosomes
Definition
They function as factories to produce proteins
Term
Golgi Body
Definition
Receive proteins and other newly formed materials from the endoplasmic reticulum, package them and distrubute them to other parts of the cell
Term
Chloloroplast
Definition
Capture energy from sunlight and use it to produce food for the cell
Term
Lysosome
Definition
Structures conatining chemicals that break down certain materials in the cell
Term
Element
Definition
Any substance that cannot be broken down into smaller substances
Term
Compound
Definition
When two or more elements combine chemically
Term
Carbohydrate
Definition
An energy-rich organic compound made of the elements carbon, hydrogen and oxygen
Term
Protein
Definition
Large organic molecules made of carbon, hydrogen, oxygen and nitrogen and sometimes sulfur
Term
Amino Acid
Definition
Smaller molecules that make up proteins
Term
Lipid
Definition
Energy-rich organic compunds made of carbon, hydrogen and oxygen. Cells store energy in lipids for later use
Term
Nucleic Acid
Definition
Very long organic molecules made out of carbon, oxygen, hydrogen and phosphorus
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