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Organic Matter
Vocabulary
11
Science
7th Grade
10/16/2013

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Term
Matter
Definition
anything that has mass and takes up space
Term
Atom
Definition
the smallest particle of an element; the building blocks of matter
Term
Carbon
Definition
element that is the basis for all life; ALL organic compounds contain carbon (C)
Term
Molecule
Definition
two or more atoms held together by a chemical bond
Term
Compound
Definition
substance made of two or more elements chemically combined
Term
Organic compound
Definition
molecules made by living organisms, ALL contain CARBON; most common organic compounds are carbohydrates, lipids/fats, proteins, and nucleic acids
Term
Inorganic compounds
Definition
compounds that do contain carbon (C)
Term
Carbohydrates
Definition
energy rich organic compound made of the elements carbon (C), hydrogen (H), and oxygen (O). Sugars and starches are carbohydrates
Term
Lipids
Definition
large organic molecules used for long term storage of energy made of the elements carbon (C), hydrogen (H), and oxygen (O). Fats, oils and waxes are lipids.
Term
Proteins
Definition
large organic molecules made up of many smaller amino acid molecules joined together. Made up of carbon (C), hydrogen (H), Oxygen (O), nitrogen (N), and sulfur (S)
Term
Nucleic Acids
Definition
very large organic molecules made of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P). There are two kinds - DNA & RNA
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