biochemistry 2018 Show session ID Load QuizSave Quiz Solve Biochemistry FMGE 2018 Questions: 29 1. Km increases, but Vmax remains same. This is what Inhibition: Competitive Uncompetitive Non-competitive Irreversible None 2. Glucose can be synthesized from all except Lactic acid Amino acids Acetoacetate Glycerol None 3. Cofactor for xanthine oxidase? Zinc Molybdenum Selenium Copper None 4. Which is branching enzyme? Glycogen Phosphorylase Glucose-6 phosphatase Amylo-1, 4-1, 6-transglycolase Glycogen synthetase None 5. Which of the following correctly defines Isoenzymes? Forms of the same enzyme that catalyze different reaction Forms of the different enzymes that catalyze same reaction Forms of the same enzyme that catalyze same reaction Forms of the different enzymes that catalyze different reaction None 6. Most Common enzyme deficient in galactosemia: Galactokinase Galactose-1-phosphate uridyl transferase/GALT UDP galactose epimerase Galactosidase None 7. Ammonia is detoxified in brain by: Uric acid Glutamine Creatinine Urea None 8. Essential fatty acid: Palmitic acid Citric acid Linoleic acid Stearic acid None 9. Atherosclerosis involves the formation of lipid-rich plaques in the intima of arteries which can narrow the coronary arteries, leading to decreased blood flow and hypoxia of cardiac cells. Which of the following amino acid is known to be associated with Atherosclerosis? Methionine Homocysteine Cysteine Leucine None 10. Myocardium normally utilizes: Lactose Glucose Fatty acid Glycogen None 11. Blood glucose levels cannot be augmented by mobilization of muscle glycogen due to lack of: G-6-P dehydrogenase G-6-phosphatase Glucokinase Aldolase None 12. Apoprotein for chylomicron remnant:- Apo A2 Apo E Apo C1 Apo A1 None 13. Energy reserve of the body is: Carbohydrate Triglyceride Proteins Fibres None 14. Chaperones are: Antigen presenting cells Purine metabolism mediators Mediators of post-transitional assembly of protein complexes None of the above None 15. Vitamin K is required for: Carboxylation Hydroxylation Transamination Chelation None 16. Tyrosine kinase receptors are membrane-spanning proteins with large amino-terminal extracellular domains bearing the ligand binding site, a juxtamembrane domain, a protein kinase catalytic domain, and carboxyl-terminal tail. Which of the hormone has 4 subunits and 2 units for tyrosine kinase receptor binding? Insulin Glucagon T3 ADH None 17. In case a small stimulus causes more pain, it is called: Hypersensitivity Causalgia Hyperalgesia Allodynia None 18. Urea cycle occurs in: Mitochondria Cytoplasm Both None None 19. Melanin is synthesized from: Tyrosine Tryptophan Phenyl alanine Threonine None 20. Start codon is: UAA UAG UGA AUG None 21. Which of the following helps in wound healing? Keratan sulfate Dermatan sulfate Hyaluronic acid Chondroitin sulfate None 22. Oxidative phosphorylation is inhibited by all EXCEPT: CO Antimycin A Malonate Thermogenin None 23. Use of zinc in diarrhea is because it: Reduces the risk, duration and severity of diarrheal episodes Enhances immune response Regulates intestinal transport & absorption of water and electrolytes All None 24. Which is cardio protective? HDL LDL IDL VLDL None 25. Adenosine receptor stability is because of extensive disulfide bonds formed between: Cysteine Methionine Arginine Alanine None 26. Steps of PCR in sequence are? Extend DNA, anneal primers, Denture DNA Anneal primers, extend DNA, Denature DNA Denature DNA, anneal primers, Extends DNA Denature DNA, Extend DNA, Anneal primers None 27. Genetic material is transferred from one bacterial to another by all EXCEPT: Conjugation Transduction Transformation Transfection None 28. Glucose is reabsorbed in which part? Early PCT Henle loop Collecting duct Distal convoluted tubule None 29. Low glycemic index food is: Easily digestible Increases plasma glucose Has slower absorption Increase glycogen deposits None 1 out of 29 Time's up
