Which of the following is a complex of globular protein with non-proteinaceous material?
Correct answer: D. Haemoglobin
- A. Collagen
- B. Albumin
- C. Fibrinogen
- D. Haemoglobin
Explanation
Hemoglobin consists of 4 polypeptide chains forming a quaternary structure, and 4 haem groups containing 4 iron atoms as a non-protein part of the molecule.
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About Biological Molecules
The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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