Other questions in this quiz

2. What is the formula of the amino group?

  • NH-4
  • NH-2
  • NH-3
  • NH

3. What is a protein?

  • More than one polypeptide chain
  • Something made of amino acids which has a distinct biological function
  • A chain of amino acids

4. Fibrous proteins are long chains of amino acids which are generally insoluble and inelastic. How is this beneficial for collagen?

  • Inelasticity allows muscles to contract. Long chains provide mechanical strength.
  • Muscles repair easily
  • Small arteries contract easily

5. When one chain folds over on itself, this produces a __________

  • Double pleated sheet
  • Beta-pleated sheet
  • Alpha helix


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