List the major biological functions of proteins with examples. 

Explain how membrane lipid composition affects membrane permeability and function. 

Describe the levels of protein structure with suitable examples. 

Discuss the importance of polyunsaturated fatty acids in maintaining membrane fluidity. 

Differentiate between saturated and unsaturated fatty acids. 

Explain how abnormal lipid metabolism leads to obesity and cardiovascular diseases. 

Classify lipids and describe their major biological functions. 

Explain the role of cell surface carbohydrates in cell–cell recognition and immune response. 

What are glycoproteins and glycolipids? Mention their biological significance. 

Discuss why cellulose cannot be digested by humans but can be utilized by ruminants. 

 Isomer shift (b) Spin-Spin splitting

Write short notes on the following. 

Explain the structural differences between starch, glycogen, and cellulose. 

Describe the role of monosaccharides and polysaccharides in energy metabolism in living cells. 
 

 The lifetime of  (excited state) is . If the excited state is  above the ground state determine the linewidth  and ratio . 

Classify carbohydrates based on their structure with suitable examples. 

What is Mossbauer effect? 

Explain how knowledge of biochemistry helps in understanding metabolic disorders such as diabetes or thalassemia. 

Define the term biochemistry and explain why it is considered as an interdisciplinary discipline.

 What are different mechanisms that contribute to the relaxation of nuclear spins in the excited state? Explain any one of them.