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BBCCT 113: Metabolism of Amino Acids and Nucleotides

Title Name IGNOU BBCCT 113 SOLVED ASSIGNMENT
Type Soft Copy (E-Assignment) .pdf
University IGNOU
Degree BACHELOR DEGREE PROGRAMMES
Course Code BSCFBC
Course Name Bachelor of Science (Biochemistry)
Subject Code BBCCT 113
Subject Name Metabolism of Amino Acids and Nucleotides
Year 2026
Session -
Language English Medium
Assignment Code BBCCT 113/Assignment-1/2026
Product Description Assignment of BSCFBC (Bachelor of Science (Biochemistry)) 2026. Latest BBCCT 113 2026 Solved Assignment Solutions
Last Date of IGNOU Assignment Submission Last Date of Submission of IGNOU BEGC-131 (BAG) 2025-26 Assignment is for January 2026 Session: 30th September, 2026 (for December 2025 Term End Exam).

Semester Wise
January 2025 Session: 30th March, 2026 (for June 2026 Term End Exam).
July 2025 Session: 30th September, 2025 (for December 2025 Term End Exam).
FormatReady-to-Print PDF (.soft copy)

📅 Important Submission Dates

  • January 2026 Session: 31st March, 2026
  • July 2026 Session: 30th September, 2026

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BBCCT 113 2025 - English

ASSIGNMENT

Metabolism of

Amino Acids and Nucleotides

Core Course in Biochemistry

Course Code: BBCCT-113

Assignment Code: BBCCT-113/TMA/2025

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the course material.

PART-(A)

1. a) Draw nitrogen cycle and explain biological nitrogen fixation.

b) Write short note on Marasmus.

2. Give an overview of urea cycle.

3. Explain the catabolism of amino acids that are converted to pyruvate.

4. Explain the following disorders of amino acid metabolism:

a) Homocystinuria

b) Hartnup disease

5. a) Describe biosynthesis of non essential amino acids of aromatic amino acid family.

b) What are catecholamines?

PART-(B)

6. a) Explain de novo synthesis of UMP. Describe the steps.

7. a) How purine synthesis is regulated?

b) Explain the structure of type I RNR.

8. a) Enlist any two inhibitors of nucleotide synthesis with their mechanism of action, enzyme inhibited and their use in medicine.

b) Elaborate on the fate of uric acid in the degradation of purine nucleotides.

9. Compare catabolism of purine and pyrimidine nucleotides

10. a) Describe briefly the signs and symptoms of SCID

b) Distinguish between white and brown adipose tissue.


BBCCT 113 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

Metabolism of Amino Acids and Nucleotides

Core Course in Biochemistry

Course Code: BBCCT-113

Assignment Code: BBCCT-113/TMA/2026

Maximum Marks: 100

Note: Attempt all questions. The marks for each question are indicated against it. Write all answers in your own words; do not copy from the course material.

PART-(A)

1. Write a detailed note on Protein energy malnutrition.

2. Explain the urea cycle and disorders due to its inherited defects.

3. Discuss the catabolic role of amino acids that are converted to Pyruvate.

4. Explain the following disorders:

a) Phenyketonuria

b) Alkaptonuria

5. Discuss the biosynthesis of the following:

a) Gltamate Family

b) Creatine and creatine phosphate

PART-(B)

6. How purine nucleotides are synthesized de novo?

7. How de novo pyrimidine nucleotide biosynthesis is regulated?

8. 

a) Describe the Structure of type I RNR?

b) Explain the role of Xanthine oxidase in purine catabolism.

9. Discuss organ specific metabolic profile of Liver.

10. What is SCID? Describe its classification, diagnosis and symptoms.


BBCCT 113 2025 - Hindi

सत्रीय कार्य

अमीनो अम्ल और न्यूक्लियोटाइड्स का अपचय

जैव रसायन में मुख्य पाठ्यक्रम

पाठ्यक्रम कोड : बीबीसीसीटी-113

सत्रीय कार्य कोड: बीबीसीसीटी 113/TMA/2025 अधिकतम अंक : 100

नोट : सभी प्रश्नों को हल करें। प्रत्येक प्रश्न के अंक इसके सामने दर्शाए गए हैं। सभी उत्तर अपने शब्दों में लिखें; पाठ्यक्रम सामग्री से नकल न करें।

कुल अंक : 50

भाग-क

1.

क) नाइट्रोजन चक्र बनायें तथा जैविक नाइट्रोजन स्थिरीकरण की व्याख्या करें।

ख) मेरास्मस पर संक्षिप्त नोट लिखें।

2. यूरिया चक्र का अवलोकन दीजिए।

3. पाइरूवेट में परिवर्तित होने वाले अमीनो अम्लों के अपचय की व्याख्या करें।

4. अमीनों अम्ल अपचय के निम्नलिखित विकारों की व्याख्या करें :

क) होमोसिस्टीनूरया

ख) हार्टनप रोग

5. क) एरोमैटिक अमीनो अम्ल परिवार के गैर-आवश्यक अमीनों अम्ल के जैवसंश्लेषण का वर्णन करें।

ख) कैटिकोलसमीन्स क्या होते हैं?

भाग-ख

6.  UMP के डी नोवो जैवसंश्लेषण की व्याख्या करें। चरणों का वर्णन करें।

7. क) प्यूरीन न्यूक्लियोटाइड संश्लेषण को कैसे नियंत्रित किया जाता है?

ख) टाइप 1 आर.एन.आर. की संरचना की व्याख्या करें।

8. क) न्यूक्लियोटाइड संश्लेषण के किन्हीं दो अवरोधकों को उनके अवरोधन की क्रियाविधि, अवरोधित एन्जाइम तथा चिकित्सा में उनके उपयोग के साथ सूचीबद्ध करे।

ख) प्यूरीन न्यूक्लियोटाइड के अपघटन में यूरिक अम्ल के पथ पर चर्चा करें।

9. प्यूरीन तथा पाइरीमिडीन न्यूक्लियोटइड्स के अपचय की तुलना करें।

10. क) SCID के संकेतों और लक्षणों का संक्षेप में वर्णन करें।

ख) सफेद तथा भूरे वसा ऊतक के बीच अंतर बतायें।

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