protein structure

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1. what is the primary structure of a protein ?

  • final 3D structure of the protein
  • the sequence of amino acids in the polypeptide chain
  • coiling into an alpha or folding in top a beta pleated sheet (because of hydrogen bonds)
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Other questions in this quiz

2. this level occurs in proteins of more than one polypeptide chain.

  • primary
  • secondary
  • quaternary
  • tertiary

3. haemoglobin is a ------ protein made of ----- polypeptide chain.

  • fibrous-two
  • fibrous-three
  • globular-four
  • globular-one

4. ------ can link together with ------ bonds to form a polypeptide chain.

  • amino acids - peptide
  • glucose - hydrogen
  • cellulose - peptide
  • amino acids - hydrogen

5. collagen is a strong protein that forms connective tissue in animals. which type of 3D shape does it have ?

  • fibrous
  • globular

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