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- Created by: ImFord
- Created on: 05-04-23 15:12
1. Which of these is NOT a characteristic of collagen?
- No disulfide links, but contains modified crosslinks (covalent)
- 2 polypeptide chains per molecule
- Triple helix with 33% Gly, 11% Ala, 15-30% Pro and non-standard Pro variations
- Left-handed helices form right-handed coil
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Other questions in this quiz
2. In α-helices, there are former and breaker residues. What properties do formers have?
- Small and hydrophobic
- Large and hydrophilic
- Small and hydrophilic
- Large and hydrophobic
3. Where is the buffer capacity at its greatest?
- pH = pKa
- pH = -pKa
- pH < pKa
- pH > pKa
4. How do you calculate pI?
- You add the closest 2 pKa values for each amino acid group
- You add the closest 2 pKa values for each amino acid group and divide by 2
- You add the furthest 2 pKa values for each amino acid group and divide by 2
- You add the furthest 2 pKa values for each amino acid group
5. If a reaction is written as A + B ⇌ C + D, then how would Keq be written (the equilibrium constant)?
- Keq = [A][D]/[B][C]
- Keq = [C][D]/[A][B]
- Keq = [A][C]/[B][D]
- Keq = [A][B]/[C][D]
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