Other questions in this quiz

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

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

3. Peptide bonds:

  • 2) involves a condensation reaction
  • 1, 2 and 4
  • all the things
  • 4) neutralise the charges on the original AA that were due to the cooh and nh3
  • 1 and 2
  • 1) are formed between cooh and nh2 of two separate AAs
  • 3) involved hydrolysis experiments

4. disulphide bonds:

  • are characterised by two SH groups
  • consist of one cystine residue
  • consist of two cysteine residues
  • are non-covalent bonds
  • consist of two methionine residues

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

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

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