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11 Cards in this Set

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  • Back
Name the 7 Functional Groups
1) Hydroxyl
2) Carbonyl
3) Carboxyl
4) Sulfhydryl
5) Methyl
6) Phosphate
7) Amino
7 functions of Proteins
1) Enzyme catalysis
-Proteases
2) Storage
-Ferritin
3) Support
4) Transfer
-Transferritin
5) Defense
-Antibodies
6) Regulation
-Oxytocin
7) Motion
-Actin
Amino Acid Groups
5
properties (structural)
1) Nonpolar
often have (-CH2) or (-CH3)
Ala, Val, Leu, Ile

2) Polar Uncharged
R groups contain O (or only --H)
ex) Gly, Ser, Thr, Asn, Gln

3) Charged
have R groups that contain Acids or Bases
Glu, Asp, His, Lys, Arg

4) Aromatic
R groups contain an organic (Carbon) ring with alternating single/double bonds.
ex) Phe, Trp, Tyr

5) Special-Function
Unique properties
Methionine -often 1st in chain
Proline-causes kinks in chains
Cysteine- links chains toget.
6 Levels of Protein Structure
1) Primary- aa sequence
2) Secondary- coils and sheets
3) Motifs- fols or creases
4) Tertiary- 3-D shape
5) Domains- Functional Units
6) Quaternary- Indiv. Polypeptide subunits
phospholipids
form the core of all biological membranes
Phospholipid subunits
Phosphate Group
Glycerol
3 FAs
lipid bilayers
the basic framework for biological membranes
Fats
Glycerol 3 FAs
saturated
all internal C atoms bonded to at least 2 Hydrogens
unsaturated
any bonds b/t C's
Glucose
6 C sugar with 7 C--H bonds