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IGNOU LSE-01 Cell Biology - IGNOU Solved Assignment (Latest)

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LSE-01 (January 2025 – December 2025) Assignment Questions

1. Explain glycolytic pathway with suitable diagram.
2. (a) Describe the structure of mitochondria.
(b) Write the chemical structure of a typical amino acid by labelling its chemical groups. Explain the components of nucleic acids.
3. (a) Make a comparison between simple lipids, compound lipids and derived lipids.
(b) Explain cell membrane fluidity and asymmetry.
4. (a) Differentiate between free diffusion and osmosis.
(b) Describe the active transport process with the help of a sodium-potassium pump.
5. Enlist the common features of a eukaryotic mRNA. Describe the various post-transcriptional modifications that transform a primary transcript into a functional mRNA.
6. (a) With the help of a diagram showing four stages of metabolism for generating NADH+H+ and ATP.
(b) Draw the diagram showing the pathways of carbohydrate metabolism.
7. (a) Describe the structure and function of the nuclear envelope.
(b) How is polypeptide chain synthesis initiated in prokaryotes?
8. (a) Explain the process of signalling mediated by cell surface receptors.
(b) Describe the control of the cycle in dividing cells.
9. (a) Explain the molecular theory of recombination.
(b) Describe any two types of cell movement.
10. (a) Describe the components of fluid connective tissue in animals.
(b) What is meristem? Discuss its role in plants.

LSE-01 (January 2024 – December 2024) Assignment Questions

1. State one important function of each of the following:

i) F1 particles
ii) cytochrome b
iii) Plasmodesmata
iv) Myelin sheath
v) Thrombocytes

2. Differentiate between the following pairs:

i) Ion exchange and Affinity chromatography
ii) m-RNA and t-RNA
iii) Microtubules and Microfilaments
iv) Phagocytosis and Pinocytosis

3. Write short notes on any of the following:

i) Autoradiography
ii) Structure of plasma membrane
iii) Meiosis I
iv) cAMP as second messenger in cell

4. Draw neat and well labelled diagrams of the following:

i) A motor neuron
ii) Watson and Crick model of DNA

5. Name the major macromolecules present in the cell. Describe any two methods of separating macromolecules on the basis of differences in their molecular weight.

6. a) Describe the components of fluid connective tissue in animals.
b) What is meristem? Discuss its role in plants.

7. a) Explain enzyme kinetics
b) Discuss the genetic control of enzyme activity with the help of operon model.

8. a) Describe the structure and function of nuclear envelope
b) How is polypeptide chain synthesis initiated in prokaryotes?

9. Describe the formation of proton gradient caused by electron transfer in mitochondira, chloroplasts and bacteria.

10. Describe how glycolysis and TCA cycle are linked to each other.

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

1. निम्नलिखित प्रत्येक का एक महत्वपूर्ण कार्य लिखिए:

i) F1 कण
ii) साइटोक्रोम b
iii) प्लैज़मोडैस्मेटा
iv) माइलिन आच्छद
v) थाम्बोसाइट

2. निम्नलिखितयुग्मों के बीच अन्तर लिखिए:

i) आयन विनिमय और बंधुता वर्णलेखन
ii) m-आर. एन. ए. और t-आर. एन. ए.
iii) सूक्ष्मनलिकाएँ और सूक्ष्मतंतु
iv) फेगोसाइटोसिस तथा अस्थिशोषक

3. निम्नलिखित पर सक्षिप्त टिप्पणियां लिखिए:

i) ऑटोरेडियोग्राफी
ii) प्लैज्मा झिल्ली की संरचना
iii) अर्धसूत्री विभाजन |
iv) कोशिका में CAMP द्वितीय दूत के रूप में

4. निम्नलिखित के स्वच्छ सुनामांकित चित्र बनाइएः

i) एक मोटर न्यूरॉन
ii) डी.एन.ए. का वाटसन एवं क्रिक मॉडल

5. कोशिका में पाए जाने वाले प्रमुख वृहदाणुओं के नाम बताइए। वृहदाणुओं के अणुभार में अन्तर के आधार पर उनको पृथक करने की किन्हीं दो विधियों का वर्णन कीजिए ।

6. क) जंतुओं में द्रव्य संयोजी ऊतक के घटकों का वर्णन कीजिए।
ख) विभाज्योतक क्या है? पादपों में इसकी भूमिका की विवेचना कीजिए ।

7. क) एंजाइम गतिकी की व्याख्या कीजिए।
ख) ओपरॉन मॉडल की सहायता से एंजाइम क्रिया के आनुवंशिक नियंत्रण पर चर्चा कीजिए ।

8. क) केन्द्रीय आवरण की संरचना तथा प्रकार्य का वर्णन कीजिए।
ख) प्रोकैरिऑटों में पॉलीपेप्टाइड श्रृंखला के संश्लेषण का उपक्रम किस प्रकार होता है ?

9. माइटोकॉन्ड्रिया, क्लोरोप्लास्ट तथा जिवाणुओं के इलेक्ट्रान अंतरण द्वारा प्रोटोन प्रवणता (ग्रेडियन्ट ) के निर्माण का वर्णन कीजिए।

10. वर्णन कीजिए कि किस प्रकार ग्लाइकोलाइसिस तथा टी. सी. ए. (TCA) चक्र परस्पर जुड़े रहते हैं।

LSE-01 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Cell Biology
Language(s) : English, Hindi
Code : LSE-01
Degree :
Subject : Life Science
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU LSE-01 (Jan 24 - Dec 24, Jan 25 - Dec 25) - Solved Assignment

Are you looking to download a PDF soft copy of the Solved Assignment LSE-01 – Cell 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 Hindi, English, for the Jan 24 - Dec 24, Jan 25 - Dec 25 session. The code for the assignment is LSE-01 and it is often used by students who are enrolled in the B.Sc., IGNOU Solved Assignments 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.

Assignment Submission End Date-upto

The IGNOU open learning format requires students to submit study Assignments. Here is the final end date of the submission of this particular assignment according to the university calendar.

  • 30th April (if Enrolled in the June Exams)
  • 31st October (if Enrolled in the December Exams).

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Assignment-LSE-01-min

Cell Biology

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