Other questions in this quiz

2. In beta turns proline and glycine are often found at AAs:

  • 1 and 4
  • 2 and 4
  • 2 and 3
  • 1 and 2

3. In an alpha helix:

  • all of the things
  • the structure is destabilised by the presence of proline
  • the helical twist is always right handed
  • the AA side chains are on the outside of the helix
  • the structure is stabilised by hydrogen bonds

4. In beta turns the following feature of proline is important

  • D isomer
  • L isomer
  • cis isomer
  • trans isomer

5. In the definition of protein structures the alpha helix is defines as:

  • tertiary structure
  • quaternary structure
  • all of the things
  • secondary structure
  • primary structure

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