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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 co - factors are required for the pyruvated dehydrogenase complex






2. Severe fasting hypoglycemia - inc glycogen storage in liver - inc blood lactate - hepatomegaly - dz and def enzyme






3. What does DNA ligase do






4. What is the RDE of the urea cycle






5. What does a phosphorylase do






6. What induces pyruvate kinase






7. What are the two possible causes of albinism






8. nucleotide repeat for fragile x






9. How do aminoglycosides work






10. Of the four possible fates for pyruvate - which one can replenish TCA cycle or be used in gluconeogenesis






11. Which enzyme involved in RNA synthesis does not require a template






12. How do tetracyclines work






13. How does cytosine become uracil






14. what gene is implicated in fragile X syndrome - and What is the mutation






15. What is a silent mutation






16. What lab technique is use to profile gene expression levels of thousands of genes simultaneously to study certain diseases and treatments






17. characterize x linked recessive






18. What else can phosphoylate phosphorylase kinase






19. Do balanced translocations cause abnl phenotype






20. What happens with wet beriberi






21. How is ammonium transported from muscle to the liver for urea cycle






22. Describe the pathophys of the aorta in a pt with marfans - and the eyes






23. What are the clinical features of I cell diesase






24. What kind of RNA is transported out of the nucleus






25. depression - progressive dementia - choreiform movements - caudate atrophy and dec levels of GABA and ACH in the brain






26. What are the results of pancreatic insuff in CF






27. What does the vimentin stain for






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






29. What does a southern blot use as its sample






30. What step of uric acid synthesis does xanthine oxidase catalyze






31. Where is hexokinase found - What is its Km and Vmax and what uninduces it






32. What is the RDE of de novo purine synthesis






33. What is the structure of elastin






34. In prokaryotes - What does makes the different types of RNA






35. How does insulin inhibit glycogenolysis






36. When are glycogen reserves depleted






37. What enzyme converts glucose 1 p to UDP glucose






38. What causes Marfan syndrome






39. Eukaryotic and prokaryotic DNA synthesis is blank and involves both blank and blank strands






40. What does apoB48 do






41. What are purines made from






42. What does commaless - nonoverlapping genetic code refer to...






43. Which anti gout drugs work on microtubules






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






45. What does vit C def cause






46. What does the golgi apparatus do on asparagine






47. What does a northern blot use as its sample






48. What causes Down syndrome






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






50. What is the Name and fxn of vit B12