Chemistry 1 Marks Question

Living systems are made up of various complex biomolecules like carbohydrates, proteins, nucleic acids, lipids etc…

The pursuit of knowledge of what goes on chemically within a living system falls in the domain of biochemistry.

→Some of the proteins are compose of two or more polypeptide chains referred to as sub-units. The spatial arrangement of these subunits with respect to each other is known as quaternary structure.
→e.g. haemoglobin