11843663
Description
Flashcards by J yadonknow, updated more than 1 year ago
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Created by J yadonknow
over 6 years ago
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| Question | Answer |
| What amino acids are silk fibroin high in? | Long stretches of Gly Ala sequences |
| What is the arrangement of silk? | Antiparallel B-sheets Will not stretch longitudinally much, very flexible laterally |
| Show some examples of hydrophobic sidechains (3) | Valine, Leuine, Phenylalanine |
| Show some examples of hydrophilic sidechains (3) | Aspartate Lysine Serine |
| What type of bonding is the most important in determining 3' structure? | Hydrophobic effect: Hydrophobic collapse is where hydrophilic sidechains are sequestered within the centre of the structure, with hydrophobic groups facing outwards |
| What is the entropic effect of hydrophobic molecules? | Makes water molecules form a shell around the molecule, the water molecules are more orderly than if hydrophobic molecules were absent More order=less entropy |
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