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Biochemistry

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What causes Marfan syndrome






2. What does the passage of electrons result in that when coupled to OXPHOS drives the production of ATP






3. How do tetracyclines work






4. What tissues have both enzymes of sorbitol metabolism






5. How do fluoroquinolones work






6. characterize x linked recessive






7. A small proportion of Down syndrome is due to What two genetic events






8. What does a carboxylase do






9. What ribosomes do eukaryotes have






10. What converts limit dextran to glucose






11. What is the pathway in the fed state leading to dec FBPase -2 and inc PFK-2






12. What does vit C def cause






13. Type I bone






14. Leysh - Nyhan syndrome is a defect in which enzyme and What are the biochemical results






15. How many ATP are produced by anearobic glycolysis per molecule of glucose






16. In which single strand DNA repair mechanism do specific endonucleases release the oligonucTIDE containing bases and DNA poly and ligase fill and reseal - and what disease occures when this is mutated






17. What does a defective Cl channel do






18. Of the four possible fates for pyruvate - which one is a transition from glycolysis to TCA cycle






19. What are possilbe presentation for galactokinase def






20. What is the RDE of fatty acid synthesis






21. What are the irreversible enzymes of gluconeogenesis






22. Where is vit A found in the diet






23. What creates the musty body odor in PKU






24. What is maternal PKU






25. What is the defect in fructose intolerance and What does it cause






26. What is disulfiram used for






27. characterize autosomal recessive inheritance






28. What does Adenosine deaminase deficiency cause a build up of - and What does that lead to?






29. Gene imprinting implies that How many alleles are active at a single locus






30. RNA poly can't proofread - but What can it do






31. How many rings do pyrimidines have






32. What enzyme results in classic galactosemia and What is the clinical






33. Type III collagen






34. How does ethanol induce hypoglycemia






35. What is the structure of elastin






36. What CETP do






37. What rxn does propionyl - CoA carboxylase catalyze






38. Where does gluconeogenesis primarily happen and What are other sites where the enzymes are located






39. What are the purely ketogenic amino acids






40. What does Ehlers Danlos cause and why






41. What is the name is fxn of vit B3






42. Delivers dietary TGs to peripheral tissues - delivers cholesterol to liver in the form of remnants - mostly depleted of TGs - secreted by intestinal epith cells






43. What is the defect in cystinuria






44. What substance inside the cell serves to oxidize glutatione






45. What does helicase do






46. Why can't even chain fatty acids produce new glucose






47. NADPH are used In what 4 things






48. What fxn does glucokinase serve in the liver






49. congenital deficiency of homogentisic acid oxidase in the degradative pathway of tyrosine to fumarate leading to dark connective tissue - brown pigmented sclera - urine turns black on standing - dz and worst complication






50. What is anticipation and give an example