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Biology Campbell/Reece 8th Edition Chapter 5
Vocab/ Study
15
Biology
Undergraduate 2
02/08/2012

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Term
Protein Functions
Definition
enzymes that catalyze reactions, defense, transport, support, movement, regulation, storage
Term
Polypeptide
Definition
polymer of amino acid
Term
Protein
Definition
1 or more polypeptides
Term
Protein structure
Definition
Central C atom, Amino group NH2, Carboxyl group COOH,R side chain, Hydrogen atom
Term
Peptide bond
Definition
Formed by dehydration synthesis
Term
20 diff R SIDE CHAIN determines chemical behavior
Definition
Polar, Non polar, and Hydrophillic
Term
Bond Between two amino acids are peptide bonds formed by lose of water
Definition
Term
MUST BE FOLDED RIGHT TO MAKE A WORKING PROTEIN
Definition
Term
Primary
Definition
Chain of specific amino acids
Term
Secondary
Definition
Folding of amino acid chains held together by Hydrogen Bonds between polypeptide backbone Alpha helix and Beta Sheet
Term
Tertiary
Definition
3-D shape held together by interactions- Hydophobic/Van Der Walls and Disulfide-SH group (covalant bond) between side chains
Term
Quaternary
Definition
2 OR MORE polypeptide chains associate to form a functional protein
Term
Denaturation
Definition
process where polypeptide chains UNRAVEL AND LOSE their specific shape and FUNCTION caused by changes in pH, temperature, ion conc.
Term
Chaperone Proteins
Definition
Special proteins which help new proteins fold correctly and require ATP(energy)
Term
Misfolding proteins
Definition
Parkinson's, Alzheimer's, Mad cow Disease
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