Identify the incorrect statement about the tertiary structure of proteins.

  • A
    They can be fibrous or globular in structure.
  • B
    The main forces that stabilize the structure are hydrogen bonding, disulphide links, van der Waals and electrostatic forces of attraction.
  • C
    The structure remains intact when exposed to pH changes.
  • D
    $A$ linear polypeptide chain will convert to a secondary structure and then further folding of the secondary structure will convert to tertiary structure.

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