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acids and bases
n/a
28
Science
8th Grade
02/10/2012

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Term
amino acid
Definition
one of 20 kinds of organic compounds that are the monomers of proteins
Term
acid
Definition
a substance that tastes sour, reacts with metals and carbonates and turns blue litmus red
Term
base
Definition
a substance that tastes bitter, feels slippery, and turns red litmus paper blue
Term
cellulose
Definition
a complex carbohydrate found in plant structures
Term
carbohydrate
Definition
an energy rich organic compound made of the elements carbon,hydrogen, and oxygen
Term
corrosive
Definition
the way in which acids react with some metals so as to eat away the metal
Term
composite
Definition
a combination of two or more substances that creates a new material with different properties
Term
complex carbohydrate
Definition
a long chain, or polymer, of simple carbohydrates
Term
cholesterol
Definition
a waxy lipid in animal cells
Term
DNA
Definition
Deoxyribo Nucleic Acid, one type of nucleic acid
Term
fatty acid
Definition
an organic compound that is a monomer of a fat or oil
Term
glucose
Definition
a simple carbohydrate; the monomer of many complex carbohydrates
Term
hydrogen ion
Definition
a positively charged ion formed of a hydrogen atom that has lost its electron
Term
hydroxide ion 
Definition
an negitively charged ion made of oxygen and hydrogen
Term
indicator
Definition
a compound that changes color in the presents of acid or a base
Term
lipid
Definition
an energy rich organic compound made carbon, oxygen,and hydrogen. Fats, oils, waxes, and colesterol are lipids
Term
monomer
Definition
one molecule that makes up the links in a polymer chain
Term
neutralization
Definition
a reaction of a acid with a base, yielding a solution that is not as acidic or basic as the starting solutions were
Term
nucleic acid
Definition
a very large organic compound made up of carbon, oxygen, hydrogen, nitrogen, and phosphorus;examples are DNA and RNA
Term
neutral
Definition
a word used to describe a solution with a pH of 7
Term
nucleotide
Definition
an organic compoud that is one of the monomers of nucleic acids
Term
plastic
Definition
a synthetic polymer that can be modeled or shaped
Term
polymer
Definition
a large molecule in which many smaller molecules are bonded together
Term
protein
Definition
an organic compound that is a polymer of amino acids
Term
pH scale
Definition
a range of values used to express the concentration of hydrogen ions in a solution
Term
RNA
Definition
Ribonucleic acid ,a type of nucleic acid
Term
salt
Definition
an ionic compound made from the neutralization of an aid withh a base
Term
starch
Definition
a complex carbohydrate in which plants store energy
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