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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. Where are cytosolic and organellar proteins made






2. Why enzyme breaks down elastin and what enzyme inhibits it






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






4. How many rings do pyrimidines have






5. What is the TX for CF and What does it do






6. How do tetracyclines work






7. What converts DOPA to dopamine






8. What does a carboxylase do






9. In what direction are DNA and RNA synthesized

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10. How do you diagnose CFTR






11. What is NADPH used for






12. What converts dopamine to NE






13. What does amino acid catabolsim results in the formation of what?






14. Why can't muscle produce in gluconeogenesis






15. What is the origin of replication






16. Which aspect of the spliceosome do patients with lupus make antibodies against






17. What causes biotin def






18. What substance inside the cell reduces glutatione






19. CF - is AR deletion In what gene On what chromosome resulting in a deletion inf what?






20. What does the primary transcript combine with to form the spliceosome






21. What do the single stranded binding proteins do






22. What is pleiotropy and given an example






23. What leads to the deletion of the dystrophin gene in duchenne's muscular dystrophy






24. Which tumor suppresors inhibit G1 to S progression - where mutations result in unrestrained growth






25. What two pathways is carbomoyl phosphate involved in - and what enzyme deficiency leads to a build of carbamoyl phosphate leading to what element in pyrimidine synthesis






26. In base excision repaire - what recognizes and removes damaged bases and what cuts the DNA to remove the empty sugar






27. What enzymes metabolize fatty acids and amino acids






28. energy malnutrition resulting in tissues and muscle wasting - loss of subQ fat - variable edema






29. Where is acetaldehyde located






30. Inhibition of thymidilate synthase and and DHFR lead to decrease In what substance






31. What are the only purely ketogenic amino acids






32. What form of amino acids are found in proteins






33. Which kind of osteogenesis imperfecta is fata in utero or in neonatal period






34. What is the most abundant type of RNA






35. Which part of the DNA binds RNA polymerase and multiple other TFs upstream from gene locus






36. What CETP do






37. What does lactase deficiency cause






38. What apolipoprotiens are on VLDL






39. What converts NE to epi






40. delivers hepatic TGs to peripheral tissue - secreted by liver






41. Type I collagen






42. What fxn does glucokinase serve in the liver






43. What polar group does guanine have - and what non polar group does thymine have






44. Which type of chromatin is condensed - transcriptionally inactive - sterically inaccessible?






45. What chromosome is the NF gene on...






46. What is a missense mutation






47. How many ATP are created by aerobic metabolism of glucose in the heart and liver via what shuttle






48. What does vit C def cause






49. Describe the location and fxn of the Na/K ATPase






50. What are ketone bodies made from - where are they metabolized and how are they excreted