Biochemistry MCQ Quiz Hub

Biochemistry MCQS PAPER SET 6

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1. Which of the following can be diagnosed by amniocentesis?




2. Fructose is metabolized by




3. A common way that cells capture the energy released during the breakdown of large molecules is to add electrons to smaller, specialized molecules that can accept them. This process of electron acceptance is otherwise known as




4. Humans are unable to digest




5. How many ATP equivalents per mole of glucose input are required for gluconeogenesis?




6. Which of the following compounds is responsible for coordinated regulation of glucose and glycogen metabolism?




7. Gluconeogenesis requires a higher amount of ATP equivalents as compared to that produced by glycolysis because




8. Which of the following is carried out when cAMP functions as a second messenger?




9. The production or break down of __________ is often coupled with the metabolic reactions of biosynthesis and catabolism.




10. The cells dependent solely on glucose as an energy source are




11. The main site for gluconeogenesis is




12. Which of the following statements about the energy needs of cells is false?




13. In lysozyme catalysis, which of the following does not contribute?




14. Cellulose fibers resemble with the protein structure in the form of




15. During vigorous exercise, pyruvate produced by glycolysis is converted to




16. Glucagon and epinephrine




17. The NAG6 substrate is hydrolyzed by human lysozyme to form




18. Gluconeogenesis uses




19. Saliva contains all of the following except




20. The conversion of pyruvate to oxaloacetate




21. Gluconeogenesis is the




22. Hydrolysis of lactose yields




23. Two major products of pentose phosphate pathway are




24. A catabolic intermediate which stimulates phosphofructokinase would stimulate




25. Pyruvate is initially converted to which of the following in the gluconeogenesis?




26. Boat and chair conformations are found




27. The conversion of pyruvate to lactate is catalysed by




28. Which of the following can act as precursors for gluconeogenesis?




29. a-amylose is similar to




30. Storage polysaccharide made by animals is




31. The glycosidic bond




32. The sugar which forms major component of nucleic acids is




33. Under aerobic condition pyruvate is converted by pyruvate dehydrogenase to




34. Which of the following is not a disaccharide?




35. Hexokinase activity in glycolysis is inhibited by




36. The ultimate source of energy that sustains living systems is




37. Citric acid accumulation would




38. Which of the following is not involved in the biosynthesis of DNA?




39. Which of the following would be considered a part of metabolism?




40. Insulin




41. What is present in the stomach to prevent self-digestion?




42. The key enzyme in the regulation of fatty acid synthesis is




43. In the intestine, the dietary fats are hydrolysed by




44. HDLs are synthesized in




45. Triacylglycerols are




46. Animals cannot convert fatty acids into glucose because




47. What is the major protein constituent of high-density lipoprotein (HDL)?




48. Phospholipid contains




49. Micelles of fatty acids in water are organized such that the __________ faces the solvent and the __________ are directed toward the interior




50. Cholesterolemia means




51. Fatty acids break down of eukaryotes occurs in




52. VLDLs are synthesized in




53. Chylomicrons are synthesized in




54. How many types of lipoproteins are there?




55. Fatty acid synthesis takes place in




56. Cholestrol is the precursor of




57. Atherosclerosis can cause blood




58. Palmitate has 16 carbon atoms with




59. How many ATPs are formed during complete oxidation of palmitate?




60. The lowest energy value lipid for human nutrition is




61. How many classes of steroid hormones are there?




62. The number of water molecules consumed by the formation of phosphatidyl serine are




63. Synthesis of fatty acid takes place when




64. Which of the following is called milk ejection hormone?




65. How many molecules of ATPs are synthesized per NADH oxidation?




66. Why is the TCA cycle the central pathway of metabolism of the cell?




67. In what form does the product of glycolysis enter the TCA cycle?




68. Malate-asparatate shuttle operates in




69. Oxidation of a molecule involves




70. During cellular respiration, most of the ATP made, is generated by