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Biochemistry

Instructions:
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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 two amino acids are required druing periods of growth and why






2. What is the result of vit B5 def






3. central and peripheral demyelination with ataxia and dementia






4. What does PURe As Gold and CUT The Py stand for






5. Describe robertsonian translocation






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






7. Which phase of the HMP shunt is reversible and Which is irreversible






8. What enzymes metabolize fatty acids and amino acids






9. phosphorylation of glucose to yield glucose 6 phosphate serves as the 1st step of what rxns and what enzymes catalyze it






10. What is linkage disequilibrium






11. What is the fxn of vit E






12. Why is G6PD def more common among patients of african decent






13. What inhibits the carnitine shuttle






14. In eukaryotes - What does RNA poly I make






15. What metabolic rxns occur in the cytoplasm






16. Very Poor Carbohydrate Metabolism stands for 4 of the glycogen storage diseases - What are thy

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17. What does vit C def cause






18. What is the activated carrier for electrons






19. What is the defect in I- hyperchylomicronemia






20. What collagen type is most frequently affected in ehlers danlos and What are common complications






21. What enzyme def can cause emphysema






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






23. What does apoA 1 do






24. How does warfarin work






25. Which type of chromatin is less condensed - transcriptionally active - sterically accesible






26. What does vit E def cause






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






28. In addition to fructose and galactose - what sugards should be excluded from the diets of patients with disorders of fructose or galactose metabolism






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






30. Fluorescent DNA or RNA probe binds to specific gene of interest - used for specific localization of genes and direct visualization of anomalies - like microdeletions - at molecular level






31. What causes maple syrup urine disease and What does it lead to...






32. What catacholamine step is SAM required for






33. What is the RDE of glycogenolysis






34. What is the breakdown product of dopamine






35. What does high cholesterol or long saturated fatty acid content do to the melting temperature and fluidity






36. What 3 syndromes are associated with vit B1 def






37. What does SAM do






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






39. What does the CFTR channel do in the lungs - GI tract and skin






40. Patients with chronic granulomatous disease are at increased risk of infection From which kind of organisms






41. What is codominance and give an example






42. What is the name is fxn of vit B3






43. metaphse chromosomes are stained - ordered and numbered according to morphology - size - arm length ratio - banding pattern






44. bilateral - massive enlargement of of kidneys due to multiple large cysts






45. What are the teratogenic effects of vit A and What test must be ordered before starting a woman on isotreitinoin for severe acne






46. What does DNA poly III do?

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






48. What are the findings with homocystinuria and What amino acid is needs to be supplemented






49. What do the single stranded binding proteins do






50. What tissues have only aldose reductase







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