Biology Biological molecules
- Created by: Chloesn
- Created on: 10-04-14 23:32
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- Chapter 7 Biological molecules
- Water
- Polar molecule
- Hydrogen bonding
- Slight dipoles
- Covalent sharing electron
- Heat and temperature
- Specific heat capacity
- Raise 1kg by 1*C
- Latent heat
- Specific heat capacity
- Solvent propeties
- Excellent
- Ions spread between molecules
- Density and viscosity
- Ice is denser
- Difficult to push attracted molecule apart
- Cohesion and surface tension
- Stick together
- Surface pulled closer together from below
- Proteins
- Amino acids
- Structure
- Primary
- Order of amino acids
- Alpha/beta chains
- Secondary
- Coil into alpha helix
- Hydrogen bonds
- Regular structure beta fold
- Hydrogen bonds
- Coil into alpha helix
- Tertiary
- Folds round more
- Bonds
- Hydrogen
- Ionic
- pH
- Rgroup and full charge
- Stronger than hydrogen
- Disulfide (bridge)
- Sulphur
- R-groups
- Hydrophobic interactions
- R-groups with carbon and hydrogen
- Weak
- Quaternery
- Several proteins (polypeptide sub units)
- Primary
- 20 different
- Structure
- Carboxyl group -COOH
- Amnie group - NH2
- R-group
- Peptide bond
- Covalent bonds
- Polypeptide chain
- Reactions
- Condensation
- Hydrolysis
- Amino acids
- Structure
- Primary
- Order of amino acids
- Alpha/beta chains
- Secondary
- Coil into alpha helix
- Regular structure beta fold
- Coil into alpha helix
- Tertiary
- Folds round more
- Bonds
- Hydrogen
- Ionic
- pH
- Rgroup and full charge
- Stronger than hydrogen
- Disulfide (bridge)
- Sulphur
- R-groups
- Hydrophobic interactions
- R-groups with carbon and hydrogen
- Weak
- Quaternery
- Several proteins (polypeptide sub units)
- Primary
- Collegen
- Fibourous
- Insoluble
- Cross link - fibrils
- Fibres
- Heamoglobin
- Globular
- a,a,b,b fold
- Soluble
- Cellulose
- 1-4 beta gb
- 180*C
- Fibrils, fibres Hbond with neighbour
- Carbohydrates
- Sugar units Cn H2n On
- Monosaccharides
- 1 sugar unit
- Alpha glucose OH below
- Beta glucose OH above
- Disaccharides
- Polysaccharides
- 2 sugar units
- 2 Link by glcosidic bond to make
- Monosaccharides
- 1 sugar unit
- Alpha glucose OH below
- Beta glucose OH above
- Monosaccharides
- Lipids
- Triglycerides
- 3 fatty acids
- -COOH
- Glycerol molecule
- -OH
- Ester bond
- -COOH
- Ester bond
- -OH
- Insoluble
- Un/saturated
- 3 fatty acids
- Triglycerides
- Cholesterol and steriods
- Steroids formed from cholesterol
- Phosphlipids
- Phosphate
- Dissolves
- Phosphate
- Amylose
- Alpha glucose 1-4 gb
- Found in starch
- Coil
- Doesn't affect water potential
- Unbranched broken by hydolysis
- Store
- Glycogen
- 1-6 and 1-4 alpha gb
- Branches- broken used for energy
- Coil, stores
- Water
- Phosphlipids
- Phosphate
- Dissolves
- Phosphate
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