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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 are the 2 distinct phases of the HMP shunt and How many ATP are used and produced






2. What can excess vit B3 cause






3. What are the results of pancreatic insuff in CF






4. What are the glucogenic/ketogenic amino acids






5. What happens at the smooth ER






6. What ribosomes do prokaryotes have






7. antbiotic controlled promoter to induciblly manipulate genes at specific developmental points






8. What happens to oxaloacetate in alcholism






9. What does CATCH 22 stand for and What causes is...






10. What is the defect in II A familial hypercholesterolemia






11. What does pancreatic lipase do






12. What is the amino acid precursor for catecholamines






13. What are the blood glucose levels maintained by for days 1-3






14. Is there any requirement for homology in NHEJ






15. What CETP do






16. Which anti breast cancer drugs work on micortubules






17. What is the activated carrier for Acyl






18. What lab procedure is used to amplify desired fragment of DNA and What are the 3 steps






19. cytoskeletal elements associated with vimenentin - desmin - cytokeratin - glial fibrillary acid protiens (GFAP) - neurofilaments






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






21. Broadly - What can cause fat - soluble vitamin deficiencies






22. What does a carboxylase do






23. Synthesis of vit B3 requires what other vitamin






24. Of the four possible fates for pyruvate - which one carries amino groups to liver from muscle






25. What enzyme converts adenine to AMP






26. What is the amino acid precuror for creatine - urea and nitric oxide






27. What happens in vit B2 def






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






29. Delivers hepatic cholesterol to peripheral tissues - formed by LPL modification of VLDL in the peripheral tissue - taken up by target cells via RME






30. What stretch of DNA that alters gene expression by binding of transcription factors






31. Which bond is stronger AT or CG and why? What is the laboratory consequence of this?






32. What does vit C def cause






33. What are the symptoms of vit A excess






34. Do balanced translocations cause abnl phenotype






35. congenital microdeletion of long arm of chromosoe 7 with findings of elfin facies - mental retardation - hypercalcemia - well developed verbal skills - extreme friendliness with strangers - cardiovascular problems






36. What does GFAP stain for






37. Type I bone






38. What is the hardy weinber heterozygote prevalence






39. recurrent pulmonary infxns in CF are due to what organisms






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






41. What is the rate limiting enzyme in cholesterol synthesis






42. What does a phosphorylase do






43. What reaction does adenosine deaminase normally catalyze






44. What enzyme def can cause emphysema






45. What does hepatic TG lipase do






46. What does a mischarge tRNA do






47. What step begins the urea cycle and What is the enzyme needed - Where does it happen






48. Where is glucokinase found - What are the Km and Vmax - and what induces it






49. What substance inside the cell serves to oxidize glutatione






50. How does abetalipoproteinemia present and What is the defect