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BIOL - 161 Vocab Ch 3
Vocabulary Chapter 3
20
Biology
Undergraduate 2
12/04/2011

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Term
Organic molecule
Definition
a general term applied to a molecule that contains carbon
Term
Steroid
Definition
the basic molecule has a molecular skeleton of four carbon rings
Term
Triglyceride
Definition
a fat molecule
Term
Polymer
Definition
a large molecule made up of many subunits
Term
Polyunsaturated fat
Definition
a molecule with many double bonds in it
Term
Carbohydrate
Definition
the family of sugar molecules
Term
Condensation
Definition
reaction used during macromolecule synthesis
Term
R group
Definition
this makes amino acids different
Term
Functional group
Definition
this gives organic molecules special properties
Term
Hydrolysis
Definition
a chemical reaction in which water splits a bond
Term
Deoxyribonucleic acid (DNA)
Definition
the molecule of heredity
Term
Peptide bond
Definition
a chemical bond between amino acids
Term
Alpha helix
Definition
one type of secondary structure in proteins
Term
Quaternary structure
Definition
arrangement of polypeptide subunits in a protein
Term
adenosine triphosphate (ATP)
Definition
a nucleotide used as an energy source
Term
Nucleotide
Definition
the subunit of nucleic acids
Term
Monosaccharide
Definition
a simple sugar
Term
Amino acid
Definition
the subunit of protein
Term
Denaturation
Definition
loss of tertiary structure by a protein
Term
Conformational change
Definition
normal alteration of tertiary structure
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