IGNOU BSCBCH BBCCT 101 SOLVED ASSIGNMENT

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BBCCT 101 2025 - English

ASSIGNMENT

MOLECULES OF LIFE

Course Code: BBCCT-101

Assignment Code: BBCCT-101/TMA/2025

Maximum Marks: 100

Answer all the questions given below.

1. Define biochemistry and explain its interdisciplinary nature. Provide examples of its integration with other scientific fields.

2. Explain why water is referred to as the "universal solvent." Discuss its unique properties and their biological significance.

3. Describe the structure of a water molecule and explain how hydrogen bonds contribute to its unique properties.

4. Classify amino acids based on their structure and physicochemical properties. Provide examples for each category.

5. Illustrate the four levels of protein structure and explain the importance of peptide bonds in maintaining protein stability with suitable diagrams.

6. Using examples describe the classification of carbohydrates and discuss the significance of glycosidic bonds in polysaccharides.

7. Explain the role of lipids in biological membranes. How do amphipathic molecules like phospholipids organize in water?

8. Outline the biological functions of water-soluble and fat-soluble vitamins. Provide examples and their roles in metabolism.

9. Draw and describe the double-helical structure of DNA and explain the role of hydrogen bonding in maintaining its stability.

10. How does pH influence enzyme activity? Provide examples to illustrate the relationship.

11. Highlight the advancements in biochemical techniques, such as chromatography and NMR, and their impact on understanding biomolecular structures.

12. Explain the significance of bioinformatics in modern biochemistry. How has it transformed drug discovery and genetic studies?

BBCCT 101 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

MOLECULES OF LIFE

Course Code: BBCCT-101

Assignment Code: BBCCT-101/TMA/2026

Maximum Marks: 100

Answer all the questions given below. All Questions carry equal marks.

1.

A) Describe the origin of biochemistry and explain why it is considered an interdisciplinary discipline.

 

B) Explain how knowledge of chemical elements and units of measurement is essential for quantitative analysis in biochemical experiments.

 

2.

A) Explain the unique properties of water and the role of non-covalent interactions in aqueous systems.

 

B) Using the Henderson-Hasselbalch equation, explain how buffers maintain physiological pH in biological systems.

 

3.

A) Describe the general structure of a-amino acids and classify them based on their side chains.

 

B) Explain how the physical and chemical properties of amino acids influence protein structure and function

 

4.

A) Describe peptide bond formation and the levels of protein structure.

 

B) Explain how alterations in protein secondary or tertiary structure can lead to loss of biological activity.

 

5.

A) Describe the structure and classification of monosaccharides, including aldoses and ketoses.

 

B) Explain the biological significance of mutarotation, anomers, epimers, and enantiomers.

 

6.

A) Explain glycosidic bond formation and differentiate between reducing and non-reducing disaccharides.

 

B) Discuss the role of oligosaccharides in cell recognition and molecular signaling.

 

7.

A) Classify polysaccharides and describe the structure of storage and structural polysaccharides.

 

B) Describe the biochemical basis of blood group antigens and their importance in blood transfusion.

8.

A) Classify lipids and describe the structure of fatty acids and triacylglycerols.

B) Explain how membrane lipid composition influences membrane fluidity and cellular function.

9.

A) Describe the role of lipids as signaling molecules, cofactors, and pigments.

B) Classify vitamins into water-soluble and fat-soluble vitamins and describe their active forms.

10.

A) Describe the structure of DNA according to the Watson-Crick model and outline the major types of RNA.

B) Explain the role of nucleotides as energy carriers, components of coenzymes, and second messengers in cells.

 

BBCCT 101 (January 2026 - July 2026) - HINDI

सत्रीय कार्य पुस्तिका

जीवन के अणु

Course Code: BBCCT-101

Assignment Code: BBCCT-101/TMA/2026

Maximum Marks: 100

नीचे दिये गये सभी प्रश्नों के उत्तर दीजिये। सभी प्रश्नों के अंक समान है।

1. अ) बायोकेमिस्ट्री की उत्पत्ति का वर्णन करें और समझाएँ कि इसे इंटरडिसिप्लिनरी डिसिप्लिन क्यों माना जाता है। 5 M

ब) समझाएँ कि बायोकेमिकल प्रयोगों में मात्रात्मक विश्लेषण के लिए रासायनिक तत्वों और माप की इकाइयों का ज्ञान क्यों आवश्यक है। 5 M

2. अ) पानी के अद्वितीय गुणों और जलीय प्रणालियों में नॉन-कोवेलेंट इंटरैक्शन की भूमिका को समझाएँ। 5 M

ब) हेंडरसन-हैसलबैक समीकरण का उपयोग करके, समझाएँ कि बफर जैविक प्रणालियों में शारीरिक pH को कैसे बनाए रखते हैं। 5 M

3. अ) α-अमीनो एसिड की सामान्य संरचना का वर्णन करें और उन्हें उनकी साइड चेन के आधार पर वर्गीकृत करें। 5 M

ब) समझाएँ कि अमीनो एसिड के भौतिक और रासायनिक गुण प्रोटीन संरचना और कार्य को कैसे प्रभावित करते हैं। 5 M

4. अ) पेप्टाइड बॉन्ड निर्माण और प्रोटीन संरचना के स्तरों का वर्णन करें। 5 M

ब) समझाएँ कि प्रोटीन की सेकेंडरी या टर्शियरी संरचना में बदलाव से जैविक गतिविधि का नुकसान कैसे हो सकता है। 5 M

5. अ) मोनोसैकराइड की संरचना और वर्गीकरण का वर्णन करें, जिसमें एल्डोस और कीटोस शामिल हैं। 5 M

ब) कार्बोहाइड्रेट में म्यूटा रोटेशन, एनोमर, एपिमर और एनैन्टियोमर के जैविक महत्व को समझाएँ। 5 M

6. अ) ग्लाइकोसिडिक बॉन्ड निर्माण को समझाएँ और रिड्यूसिंग और नॉन-रिड्यूसिंग डाइसैकराइड के बीच अंतर करें। 5 M

ब) कोशिका पहचान और आणविक सिग्नलिंग में ओलिगोसैकराइड की भूमिका पर चर्चा करें। 5 M

7. अ) पॉलीसैकराइड को वर्गीकृत करें और भंडारण और संरचनात्मक पॉलीसैकराइड की संरचना का वर्णन करें। 5 M

ब) रक्त समूह एंटीजन के बायोकेमिकल आधार और रक्त आधान में उनके महत्व का वर्णन करें। 5 M

8. अ) लिपिड को वर्गीकृत करें और फैटी एसिड और ट्राइग्लिसराइड की संरचना का वर्णन करें। 5 M

ब) समझाएँ कि झिल्ली लिपिड संरचना झिल्ली तरलता और सेलुलर कार्य को कैसे प्रभावित करती है। 5 M

9. अ) सिग्नलिंग अणुओं, कोफैक्टर और पिगमेंट के रूप में लिपिड की भूमिका का वर्णन करें। 5 M

ब) विटामिन को पानी में घुलनशील और वसा में घुलनशील विटामिन में वर्गीकृत करें और उनके सक्रिय रूपों का वर्णन करें। 5 M

10. अ) वॉटसन–क्रिक मॉडल के अनुसार DNA की संरचना का वर्णन करें और त्छ। के प्रमुख प्रकारों की रूपरेखा बताएँ। 5 M

ब) कोशिकाओं में ऊर्जा वाहक, कोएंजाइम के घटकों और दूसरे मैसेंजर के रूप में न्यूक्लियोटाइड की भूमिका को समझाएँ। 5 M

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IGNOU BSCBCH Assignments Jan - July 2026 - IGNOU University has uploaded its current session Assignment of the BSCBCH Programme for the session year 2026. Students of the BSCBCH Programme can now download Assignment questions from this page. Candidates have to compulsory download those assignments to get a permit of attending the Term End Exam of the IGNOU BSCBCH Programme.

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Course Name	B.Sc. Honours in Biochemistry
Course Code	BSCBCH
Programm	Courses
Language	English

 

 

 

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