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Proteins
Mrs Fitzsimmons Sophmore Bio
15
Biology
10th Grade
10/18/2010

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Term
Monomer of protein
Definition
amin acid
- there are about 20
Term
polymer of protein
Definition
polypeptide
- proteins can be 1+ chains folded and bonded together
Term
Sulfer Containing Amino Acids
Definition
- cysteine
- methionine
- NH2 & COOH ends
Term
R Group = methyol
Definition
alanine
Term
2 amino acids
Definition
dipeptide etc
Term
H R Group
Definition
Glycine
- nonpolar
- hydrophobic
Term
CH3 R Group
Definition
Alanine
- nonpolar
- hydrophobic
Term
CH2-SH R Group
Definition
Cysteine
- Polar
- Hydrophilic
Term
Primary Structure
Definition
- indicated type, number and sequence of amino acids in a chain
- Determind by DNA
Term
Secondary Structure
Definition
- coiled, alpha helix
- Linus Pauling
- Beta pleated sheet
- determined by H bond
Term
Tertiary Structure
Definition
- folds and overlaps
- forms 3D shape
- ionic interactions
- hydrophilic/phobic
- disulfide bridges
- H bonds
Term
Heat Labile
Definition
- Proteins' sensitivity to heat
- proteins unfold (denaturation)
- heat
- pH
- SaH
Term
Quaternary Structure
Definition
- more than one polypeptide chain
Term
Elements of proteins
Definition
C H O N
Term
Proteins are most ...
Definition
structurally and functionally diverse group
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