A-LevelBiologyBiological molecules9700/12 · Feb/Mar 2016 · Q101 Mark
When proteins are mixed with some organic solvents, hydrophobic interactions and hydrogen bonding are changed in the protein molecules. Which levels of protein structure would be affected? [Figure 10.1]
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ASecondary: ✓, Tertiary: x, Quaternary: ✓
BSecondary: ✓, Tertiary: x, Quaternary: ✓
CSecondary: x, Tertiary: ✓, Quaternary: ✓
DSecondary: ✓, Tertiary: ✓, Quaternary: ✓
✓ Correct answer
D: Secondary: ✓, Tertiary: ✓, Quaternary: ✓
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