1. Inhibition of glycolysis by oxygen is known as Muni effect Pasteur effect Gluconeogenesis Hill reaction 2. hydroxylation of phenylalanine to tyrosine requires tetrahydrobiopterin Tetrahydrofolate S-adenosyl methionine Pyridoxal phosphate 3. Semi essential amino acid is Leucine Histidine Lysine Alanine 4. In malate shuttle,NADH produces how many ATPs 2 2.5 1.5 1 5. different sequence of amino acids having similar structure of proteins is an example of opportunistic incidental divergence convergence 6. The reducing equivalents for fatty acid synthesis are derived from Urea cycle Kreb’s cycle Glycolysis Pentose phosphate pathway 7. eukayotic plasma membrane is made up of all except cholesterol lecithin triglycerides carbohydrates 8. Key enzyme in glycogenolysis Glycogen synthase Branching enzyme Glycogen phosphorylase Debranching enzyme 9. Not an essential amino acid Glutamate Lysine Histidine Arginine 10. the major fate of glucose -6 phosphate in tissue in a well fed state is isomerisation to fructose 6 phosphate conversion to ribulose 5 phosphate hydrolysis to glucose conversion to glycogen 11. Urea is synthesized in all except Liver Kidney Brain Spleen 12. fluorescence means release of longer wavelength light on absorbing light of shorter wavelength spontaneous illumination in dark release of equal wavelength light at constant rate release of shorter wavelength light on absorbing light of longer wavelength 13. Which of the following is th metabolic pathway in which there is a shuttling of glucose and lactate between muscle and liver during physical exercise Glucose cycle Hydrologic cycle Carbon cycle Cori cycle 14. Alpha helix and beta pleated sheet are examples of Tertiary structure Quaternary structure Secondary structure Primary 15. Which of the following serves as a principal source of carbon for nonessential amino acids urea fats water carbohydrates 16. Methionine is synthesised from Cysteine Arginine Histidine Glycine 17. Fructose 2-6 biphosphate is Negative allosteric regulation of PF1 Intermediate of glycosis Positive allosteric regulation of PF1(phosphofructokinase 1) Positive allosteric regulation of PF2 18. Why citric acid cycle called amphibolic pathway Same enzymes can be used in reverse directions Both exergonic and endergonic reactions takes place Metabolites are utilised in other pathways It can proceed both in forward and backward direction 19. True about carbamoyl phosphate synthase Mitochondrial enzyme Catalyses condensation reaction Cytosolic enzyme All are true 20. Inhibitor of F0F1 ATPase in Electron transport chain- Barbiturate Antimycin Oligomycin 2,4 dinitrophenol Loading … Question 1 of 20