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BBCCT-101 EM 2024 SOLVED ASSIGNMENT

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ASSIGNMENT
MOLECULES OF LIFE
Course Code: BBCCT-101
Assignment Code: BBCCT-101/TMA/2024
ENG MED

Description

ASSIGNMENT
MOLECULES OF LIFE
Course Code: BBCCT-101
Assignment Code: BBCCT-101/TMA/2024
Maximum Marks: 100
Answer all the questions given below. All Questions carry equal marks.
1. A) Define the term Biochemistry and briefly explain the origin of Biochemistry.
B) Describe the importance of biochemistry as an interdisciplinary subject. (5+5) 10
2. A) Define the following terms with suitable examples: Buffer and pH
2.5 x2 =5
B) Explain, why water is considered as universal solvent? 5
3. A) Describe zwitter ion concept. Calculate the pI
of alanine where pK1 and pK2 are 2.34 and
9.69.
B) Write a note on classification of amino acids based on their R-groups. (5+5) 10

4. A) What is peptide bond?
B) Distinguish between α-helix and β-sheet structures of proteins?
C) Draw the liner structures of D-glucose and D-ribose. (3+5+2) 10
5. Write a detailed note on biologically important sugar derivatives with suitable examples and
draw their structures. 10
6. A) Write systemic names of isomaltose, maltose and raffinose. Draw their structures.
B) Give a detailed account on glycosaminoglycans. (5+5) 10
7. A) What are blood group antigens? Explain them with suitable examples.
B) Write a note on storage lipids? (5+5) 10

8. A) Write the structure, shorthand form and occurrence of the given fatty acids? 10
i) Myristic acid ii) Palmitoleic acid iii) Linoleic acid iv) Arachidonic acid

9. A) Describe the composition and role of biological membranes.
B) Briefly explain classification of eicosanoids and their importance. (5+5) 10
10. A) Describe and draw the structure and biological functions of Vitamins A, C, B12 and B1.

B) Define denaturation of DNA and explain the effect of temperature and pH on DNA.
(5+5) 10

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