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A-Level Biology OCR A

Structural Subunits Heam Oxygen Identify Key Components Properties

Front Identify key structural components, properties and functions of a conjugated protein.
Back Haemoglobin:

Structural components:
  • Quaternary structure
  • 2 alpha subunits
  • 2 beta subunits
  • Each subunit contains prosthetic heam group 
  • Fe2+ present in each heam group

Properties:
  • Iron ion able to pick up oxygen and release it

Function:
  • Transport of oxygen throughout the body

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