Cell Biology and Biochemistry — DU B.Sc. (Prog.) Applied Life Sciences with Agrochemicals and Pest Management pertaining to Zoology Previous Year Question Papers

2. Draw neat, well labeled diagrams, wherever required. 3. Attempt Five questions in all. 1. (a) Define (any four): i Sinoatrial node (iE) Amphibolic pathway 2 (d) Write the importance of the following (any five): (5) (iii) Prosthetic group (il) Renin-Angiotensin-Aldosterone pathway (iv) Glial cells (v) Emulsification (iti) Acyl carrier protein (b) Differentiate between the following (any five): (5) (iv) NADH (i) Endopeptidase and exopeptidases (v) Resting membrane potential (iii) Tidal volume & Residual volume (e) Expand the following (any five) : (iv) Osteoclasts and osteoblasts 6) DHAP (v) Glicogenic and Ketogenic amine acids (I5) ADH (vi) Multipolar and Bipolar neurons (ili) ATP (c) Draw the structures of the following (any four) : (8) (iv) 1GFs (iv) Myelinated nerve fiber Describe the role of calcium and regulator proteins in the sliding of filaments. (b) Glomerular filtration rate is directly related to the pressure that determines net filtration pressure. (8+4) 3. Describe the menstrual cycle in human females and (12) add a note on its hormonal control? 4. Give a detailed account of activation of fatty acid and (12) beta-oxidation of Palmitic acid. 5. Describe the various components of mitochondrial respiratory chain and the basies of Chemiosmotic theory for ATP synthesis. 6. Short Notes (Any three): (di) Oxidative Phase of pentose phosphate pathway (il) Induced Fit Theory (iv) Transport of carbon-dioxide in blood