PLEASE MATCH YOUR ASSIGNMENT QUESTIONS ACCORDING TO YOUR SESSION

IGNOU MBC-02 (January 2026 – December 2026) Assignment Questions

1. a) Define the following terms:

i) Apoptosis
ii) Plasmodesmata
iii) Crossing-over
iv) 30nm fiber

b) Explain the structure and function of peroxisomes.

2. Describe the components of extracellular matrix.

3. a) Explain how do chromosomes behave during the mitosis.
b) Write an overview on signaling molecules.

4. Discuss the following:
a) C- value paradox
b) Chromosome banding patterns

5. a) Explain the role of DNA double helix in DNA protein complex.
b) Compare the prokaryotic DNA replication and eukaryotic DNA replication.

6. Discuss:
a) Basic transcription unit
b) RNA splicing

7. a) Briefly discuss the basic features of the genetic code .
b) Distinguish between prokaryotic translations and eukaryotic translation.

8. a) Mention the inherited disorders of DNA repair pathways.
b) Write a detailed note on the Tryptophan operon.

9. Write a short note on the following:
a) Modification in DNA and Hisntones
b) Hot spot Mutation

10. Explain the following:
a) Dynamic behavior of microtubules
b) Structural maintenance of chromosomes

IGNOU MBC-02 (January 2025 – December 2025) Assignment Questions

1. a) Define the following terms:

i) Nucleoplasm

ii) Mitochondrial cristea

iii) Photosynthesis

iv) Microtubules

b) Write a brief account note on extracellular matrix (ECM).

2. Describe the different cell adhesion molecules.

3. a) What are the check points? Describe their role in regulation of cell cycle.

b) Differentiate between apoptosis and necrosis.

4. a) Discuss the Singer and Nicholson’s Model of Plasma membrane.

b) Explain:

i) Cot Curve

ii) Pseudogenes

5. a) What are the different levels of packaging of DNA into higher order structures? Discuss.

b) Elucidate the rolling circle mechanism of DNA replication.

6. Explain the structure and functions of the following:

a) Helix-Turn-Helix (HTF) motif.

b) E. Coli DNA polymerase III

7. a) Briefly discuss the structure and roles of E. Coli. RNA polymerase.

b) Elaborate the post transcriptional RNA processing in eukaryotes?

8. a) What is Wobble hypothesis? Write its significance.

b) Describe the steps involved in the initiation of bacterial translation

9. Write a short note on the following:

a) Mutation

b) Catabolite repression

10. a) Describe the modifications in DNA and Histones.

b) Discuss the regulation of gene involved in organism development.

IGNOU MBC-02 (January 2024 – December 2024) Assignment Questions

PART-(A)

1. a) Name the cell organelles involved in following functions:

i) Drug detoxification
ii) RNA synthesis
iii) Protein Sorting
iv) Intracellular digestion
v) Citric acid cycle

b) Explain how microtubules assembly and disassembly.

2. a) Discuss collagen as an extracellular matrix molecule.
b) Explain in brief the structure and role of gap junctions.

3. a) What are the chromosomal changes during mitosis? Discuss it.
b) Explain the synaptonemal complex with the suitable diagram.

4. a) Write a brief account note on factors that affects the membrane fluidity and permeability.

b) Explain the following:

i) C. Value Paradox
ii) Monocistronic genes

5. a) Describe the chromosome bonding patterns.
b) Enlist the name and function of the enzymes involved in DNA replication.

PART- (B)

6. a) Explain the mechanism of interaction between DNA binding proteins and Nucleic acid.
b) Differentiate between Zing-Finger motif and Leucine zipper motif

7. a) What are the basic transcriptional unit of E.Coli ?
b) Discuss the upstream and internal promotes of eukaryotic transcription.

8. a) Write about the nature of genetic code and its significance.
b) Explain the process by which amino acids are activated for protein synthesis.

9. Write a short note on the following:

a) Recombination repair
b) Lac Operon

10. a) Describe the RNA editing.
b) Discuss the translational control in eukaryotes.

MBC-02 Assignments Details

University	:	IGNOU (Indira Gandhi National Open University)
Title	:	Cell and Molecular Biology
Language(s)	:	English
Code	:	MBC-02
Degree	:	MSCBCH
Subject	:	Biochemistry
Course	:	Core Courses (CC)
Author	:	Gullybaba.com Panel
Publisher	:	Gullybaba Publishing House Pvt. Ltd.

IGNOU MBC-02 (Jan 26 - Dec 26, Jan 25 - Dec 25) - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment MBC-02 – Cell and Molecular Biology Then GullyBaba is the right place for you. We have the Assignment available in Urdu language. This particular Assignment references the syllabus chosen for the subject of English, for the Jan 26 - Dec 26, Jan 25 - Dec 25 session. The code for the assignment is MBC-02 and it is often used by students who are enrolled in the IGNOU Solved Assignments, MSCBCH Degree. Once students have paid for the Assignment, they can Instantly Download to their PC, Laptop or Mobile Devices in soft copy as a PDF format. After studying the contents of this Assignment, students will have a better grasp of the subject and will be able to prepare for their upcoming tests.