Description
ASSIGNMENT
PROTEINS
Course Code: BBCCT-105
Assignment Code: BBCCT-105/TMA/2025
Maximum Marks: 100
Answer all the questions given below.
1. Define amino acids and classify them based on their chemical structure and properties. 5M
2. Discuss the significance of peptide bonds in protein structure. Include an explanation of how
peptide bonds are formed.
5M
3. Explain the principle and applications of dialysis and lyophilization in protein biochemistry.
10M
4. List and explain the different methods of protein extraction from cells. 10M
5. Explain how protein folding is related to diseases such as Alzheimer’s or prion disorders. 10M
6. Illustrate the steps involved in sequencing a protein and highlight the importance of this
process.
10 M
7. Explain the four levels of protein structure and the types of bonds involved in maintaining
each level.
10M
8. Illustrate the structural differences between globular and fibrous proteins with examples. 5M
9. Classify proteins based on their functions and provide examples for each category, such as
enzymes, structural proteins, and hormones.
5M
10. Describe the role of storage proteins such as ferritin and ovalbumin in biological systems.
How do their structures support their functions?
10 M
11. Explain the mechanism of action of contractile proteins like actin and myosin in muscle
contraction. What structural features enable their function?
10 M
12. A. Draw Ramachandran plot and explain it importance.
B. Explain the N-terminal protein sequencing method
5M
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