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IGNOU BBCCT-117 Gene Organization Replication and Repair - IGNOU Solved Assignment (Latest)

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IGNOU BBCCT-117 (January 2026 – December 2026) Assignment Questions

PART-(A)

1 Explain DNA melting, Tm and its significance.

2 Write a note on types of promoters in a prokaryotic gene.

3 What are the various functions of chromatin? How histone proteins help in chromatin compaction?

4 (a) Draw and label structure and parts of chromosome.
(b) Explain the chemistry behind phosphodiester bond formation.

5 Differentiate between prokaryotic and eukaryotic DNA polymerases.

PART-(B)

1 Describe the Holliday model for homologous recombination.

2 Explain the process of replication in prokaryotes.

3 Explain the integration of λ-phage DNA into bacterial genome.

4 (a) What is RNA editing?
(b) Write a short note on chloroplast inheritance.

5 (a) Explain the base excision repair mechanism with the help of a suitable diagram.
(b) What is xeroderma pigmentosum? Describe the cause

IGNOU BBCCT-117 (January 2025 – December 2025) Assignment Questions

PART-(A) 
1. Describe primary and secondary structure of DNA.
2. Compare between prokaryotic and eukaryotic gene.
3. Describe the packaging of DNA into higher order structures.
4 (a) Explain chromosome mapping and banding patterns.
 (b) Discuss different modes of DNA replication.
5. Write a detailed note on topoisomerases.
 PART-(B) 
1. Compare replication in prokaryotes and eukaryotes.
2 (a) What are different types of recombination?
 (b) Differentiate between transposons and retrotransposons.
3. What is RNA editing?
4. Explain different types of mutations.
5 (a) Comment on genomic and mitochondrial DNA damage
 (b) What is xeroderma pigmentosum?

IGNOU BBCCT-117 (January 2025 – December 2025) Assignment Questions

भाग- क 
1. डीएनए की प्राथमिक एवं द्वितीयक संरचना का वर्णन करें।
2. प्राककेन्द्रकी और ससीमकेन्द्रकी जीन के बीच तुलना करें।
3. उच्च क्रम संरचनाओं में पैकेजिंग या डीएनए का वर्णन करें।
4 (क) क्रोमोसोम मैपिंग और बैंडिंग पैटर्न समझाएं।
(ख) डीएनए प्रतिकृतियन के विभिन्न तरीकों पर चर्चा करें।
5. टोपोइजोमेरेज पर एक विस्तृत नोट लिखें।
भाग-ख 
1. प्राककेन्द्रकी और ससीमकेन्द्रकी में प्रतिकृतियन की तुलना करें।
2 (क) पुनर्योजन के विभिन्न प्रकार क्या है?
(ख) ट्रांसपोजन और रेट्रोट्रांसपोजन के बीच अंतर बताएं।
3. आरएनए संपादन क्या होता है?
4. विभिन्न प्रकार के उत्परिवर्तनों को समझाइये।
5 (क) जीनोमिय और माइटोकॉन्ड्रियाई डीएनए क्षति पर टिप्पणी करें।
(ख) जेरोडर्मा पिगमेंटोसम क्या है?

 

IGNOU BBCCT-117 (January 2024 – December 2024) Assignment Questions

भाग- क

1. डीएनए विरज्जुकन, टीएम और इसके महत्व को समझाएं।

2. सी-मान विरोधाभास क्या है? प्राकेन्द्रकी जीन के संगठन की व्याख्या करें ।

3. क्रोमैटिन के विभिन्न कार्य क्या हैं? हिस्टोन प्रोटीन क्रोमैटिन संघनन में किस प्रकार सहायता करते हैं?

4. (क) गुणसूत्र की संरचना और भागों को बनाएं और चिन्हित करें।
(ख) फॉस्फोडिएस्टर बंध गठन के पीछे की रसानिकी की चर्चा करें।

5. प्राकेन्द्रकी डीएनए पोलीमरेज से जुड़ी एंजाइमी गतिविधियों का वर्णन करें ।

भाग – ख

1. टोपोआसोमरेज की क्रिया प्रणाली का वर्णन करें।

2. प्राकेन्द्रकों में प्रतिकृतियन की प्रक्रिया को समझाइये |

3. बैक्टीरियाई जीनोम में A- फेज डीएनए के एकीकरण की व्याख्या करें।

4. (क) ट्रांसपोजान और रेट्रोट्रांसपोजान के बीच अंतर करें।

(ख) क्लोरोप्लास्ट वंशानुक्रम पर एक संक्षिप्त टिप्पणी लिखें।

5. (क) सहज और प्रेरित उत्परिवर्तन के बीच अंतर करें।
(ख) डीएनए मरम्मत के लिए बेमेल और पुनर्योगज मरम्मत तंत्र की व्याख्या ।

BBCCT-117 Assignments Details

University : IGNOU (Indira Gandhi National Open University)
Title :Gene Organization Replication and Repair
Language(s) : English, Hindi
Code : BBCCT-117
Degree :
Subject : Biochemistry
Course : Core Courses (CC)
Author : Gullybaba.com Panel
Publisher : Gullybaba Publishing House Pvt. Ltd.

IGNOU BBCCT-117 (Jan 26 - Dec 26, Jan 25 - Dec 25, Jan 24 - Dec 24) - Solved Assignment

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

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