Name: Concepts of Biochemistry
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IGNOU MBC-01 (January 2025 – December 2025) Assignment Questions

1. Define Biochemistry and explain its interdisciplinary nature.

Refer to the interactions between biochemistry and allied branches like chemistry, biology, and physics.

2. Explain the structural features and unique properties of water that make it a universal solvent. Include details about hydrogen bonding and its impact on water’s properties.

3. Explain the structural organization of amino acids and their classification based on the R group.

4. What are the primary, secondary, tertiary, and quaternary structures of proteins? Provide examples and explain their significance in protein functionality.

5. Write a detailed note on biologically important sugar derivatives with suitable examples and draw their structures.

6. Discuss the role of lipids in biological membranes and their importance in maintaining cellular integrity.

7. Outline the process of protein purification, including common techniques used. Discuss methods like chromatography and electrophoresis.

8. Explain the role of post-translational modifications in proteins. Provide examples of modifications like phosphorylation and glycosylation.

9. Discuss the role of vitamins as coenzymes in metabolic reactions. Choose three vitamins and describe their biochemical roles and deficiency symptoms.

10. What is the significance of peptides like vasopressin, oxytocin, and glutathione in biological systems? Discuss their functions and importance.

Note: Draw the figures/flowcharts/tables wherever required.

IGNOU MBC-01 (January 2024 – December 2024) Assignment Questions

1. A) Describe the significance of water as a universal solvent.
B) Define the term reducing sugars. Explain the structural difference between aldo and keto sugars with suitable examples.

2. Give a detailed comparative account on Chitin and Cellulose.

3. Describe the four levels of protein structure. Explain how the structure of a protein determines its function using hemoglobin as an example.

4. Discuss the structural diversity of glycans and their biological roles. Explain their biosynthesis with relevant examples.

5. Write a detailed note on biologically important sugar derivatives with suitable examples and draw their structures.

6. Discuss the composition of biological membranes. How do the different types of lipids contribute to membrane structure and function? Illustrate your answer with examples of specific lipids and their roles in cellular processes.

7. Describe the main classes of lipids and their structural characteristics. Provide detailed examples for each class, including their biological significance.

8. Write the principles and applications of at least three different protein purification techniques. Compare and contrast their effectiveness for different types of protein samples. Include in your discussion: ion-exchange chromatography, size-exclusion chromatography, and affinity chromatography.

9. A) Describe DNA super coiling.
B) Give a detailed account on nucleic acid sequencing.

10. Discuss the role of vitamins as coenzymes in metabolic reactions. Choose three vitamins and describe their biochemical roles and deficiency symptoms.

Note: Draw the figures/flowcharts/tables wherever required.

MBC-01 Assignments Details

University	:	IGNOU (Indira Gandhi National Open University)
Title	:	Concepts of Biochemistry
Language(s)	:	English
Code	:	MBC-01
Degree	:	MSCBCH
Subject	:	Biochemistry
Course	:	Core Courses (CC)
Author	:	Gullybaba.com Panel
Publisher	:	Gullybaba Publishing House Pvt. Ltd.