A coiled haemoglobin is called:
Correct answer: B. Haemoprotein
- A. Haemocyonin
- B. Haemoprotein
- C. Myoglobin
- D. Haemorrhoids
Explanation
A coiled haemoglobin is referred to as 'Haemoprotein' because haemoglobin is a type of haemoprotein. Haemoprotein is a general term for proteins containing a heme group, which includes haemoglobin and other oxygen-binding proteins. The other options are incorrect because they either refer to different proteins (haemocyanin and myoglobin) or a medical condition unrelated to haemoglobin (haemorrhoids).
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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About Conjugated Molecules
Conjugated molecules contain a non-protein component attached to a protein portion, giving the molecule properties that a simple protein lacks. The content includes glycoproteins, lipoproteins, phosphoproteins, nucleoproteins, chromoproteins and metalloproteins, with attention to their prosthetic groups and roles in transport, protection, catalysis and cellular structure.
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