A-LevelBiologyBiological moleculesMay/June 2010Paper 1 Q31 Mark
Which feature of haemoglobin makes it a globular protein?
AIt has four cross-linked polypeptide chains forming a quaternary structure.
BIt has hydrophobic groups on the inside and hydrophilic groups on the outside.
CIt has hydrophobic interactions and is insoluble in water.
DIt has polypeptide chains which are cross-linked to form sheets.
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of biological molecules within the Biologysyllabus. The examiner's mark scheme requires...
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