Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2130403 Basic Biochemistry Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2130403 Basic Biochemistry Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2130403 Date: 3/12/2019

Subject Name: Basic Biochemistry
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.



MARKS

Q.1 (a) What are polysaccharides? Give example. 03
(b) Compare simple and complex lipids. 04
(c) Draw and explain pathway of glycolysis. 07

Q.2 (a) Why amino acids when dissolved in water do become zwitter
ions?
03
(b) Explain various non covalent interactions involved in
stabilizing protein structure.
04
(c) Explain secondary structure of protein. 07
OR
(c) Draw a neat diagram of TCA cycle. 07
Q.3 (a) Define the terms anabolism and catabolism. 03
(b) Differentiate between DNA and RNA. 04
(c) Explain process of ?-oxidation of palimitic acid (C16) 07
OR
Q.3 (a) What is role of carnitine in lipid metabolism? 03
(b) Give scientific name of Vitamin A. What happens due to
deficiency of Vitamin A?
04
(c) Explain denovo syntheis of purine nucleotide from PRPP. 07
Q.4 (a) Give properties of water. 03
(b) What are dietary sources of calcium and iron? 04
(c) Explain urea cycle with proper diagram. 07
OR
Q.4 (a) Explain reaction for conversion of pyruvate to acetyl Co A 03
(b) Explain structure of lactose molecule. 04
(c) Explain pentose phosphate pathway and its significance. 07
Q.5 (a) What is transamination? 03
(b) Draw neat diagram of Watson and Crick model of DNA. 04
(c) What are nitrogen bases? Classify and give their types. 07
OR

Q.5 (a) What are glycoconjugates? 03
(b) Draw neat diagram of a tripeptide chain. 04
(c) What are weak acids and weak bases? Explain with example. 07

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