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Biochemistry

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 is locus heterogeneity and give an example






2. The golgi apparatus fxns as a distribution center between what organelles in the cell and What does it process






3. What happens with wet beriberi






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






5. Of the four possible fates for pyruvate - which ends anaerobic glycolysis as in RBCs - leukocytes - kidney medulla - lens - testes and cornea






6. What test is used for B12 def






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






8. 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






9. What enzyme turns ROS to H2O2






10. What are the two possible causes of albinism






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






12. What does acetyl - CoA become before becoming palmitate






13. What is the RDE of cholesterol synthesis






14. What does the TCA cycle produce per 1 acetyl CoA






15. What is the defect in II A familial hypercholesterolemia






16. How does OTC def present






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






18. What 3 syndromes are associated with vit B1 def






19. What apolipoproteins are on IDL






20. How do stable (quiescent) cells grow and regenerate and What are examples






21. How does warfarin work






22. What causes Hartnup's disease






23. Which end of the tRNA is the amino acid bound to...

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24. Which antihelminthe drugs work on microtubules






25. For eukaryotes - Where does replication begin?






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






27. Adenosine deaminase deficiency is an important cause of what immunodeficiency?






28. What are the two transgenic strategies in mice






29. Give an example of a mitochondrial inherited disease






30. What tissues have only aldose reductase






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






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






33. What enzyme def can cause emphysema






34. characterize x linked dominant






35. What are the mRNA stop codons






36. What is variable expression and What is an example






37. What does a mischarge tRNA do






38. How many ATP are created by aerobic metobolism of glucose in muslce via what shuttle






39. what findings are associated with marfans






40. What enzyme converts phenylalanine to tyrosin






41. What does DNA poly III do?

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42. What is the result of vit B5 def






43. What is the amino acid precursor for GABA and glutathione






44. What is the Hardy Weinberg disease prevalence equation






45. What does Alports syndrome cause and why






46. Type II cartilage






47. What part of the pre mRNA contains the actual genetic information coding for protein






48. What inhibits pyruvate kinase






49. What is the composition of urea and where do each part derive from






50. What is the wernicke - korsakoff clinical picture