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






2. What is mosaicism and give an example






3. How do macrolides and clindamycin work






4. What causes B12 def






5. progressive neurodegeneration - hepatosplenomegaly - cherry red spot on macula - foam cells






6. What are the functinos of vitamin A






7. When are glycogen reserves depleted






8. What is the energy source after day 3 of starvation






9. Do balanced translocations cause abnl phenotype






10. What is a nonsense mutation






11. What is the activated carrier for electrons






12. 1 g of protein or cabrohydrate = ?kcal






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






14. What rxn does propionyl - CoA carboxylase catalyze






15. What enzyme converts phenylalanine to tyrosin






16. What does an umabiguous genetic code refer to...






17. Where is PEP carboxykinase found - What does it do - and What does it require






18. What metabolic rxns occur in the mitochondria






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






20. What kind of branches do glycogen branches have






21. What liberates glucose from glucose 6 P






22. What does a pyruvate dehydrogenase deficiency lead to and What are the findings






23. What is maternal PKU






24. What are the fetal screening measures for Down






25. I g fat = ? Kcal






26. Which antihelminthe drugs work on microtubules






27. In eukaryotes - What does RNA poly III make






28. What clotting factors require vit K






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






30. What is the physiologic role of dystrophin






31. What does glycosylation of pro alpha chian yield and What is the structure






32. What do the single stranded binding proteins do






33. What are CDKs






34. What are the reactants for glycolysis






35. What does DNA poly III do?

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36. What are the results of pancreatic insuff in CF






37. ADPKD is associated with What additional conditions






38. What are the fat soluble vitamins and What does their absorption depend on...






39. What substance inside the cells replenishes NADPH






40. What happens on the oxidative arm of the HMP shunt and What is the key enzyme






41. several distinct syndromes characterized by familial tumors of endocrine glands including pancreas - parathyroid - pituitary - thryoid and adrenal medulla - disorders and gene association






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






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






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






45. What does desmin stain for






46. What does the mutation in the gene cause in protein synthesis






47. What does biotin def cause






48. How do you diagnose CFTR






49. What is the smallest mutation a mircoarray can detect






50. What does a northern blot use as its sample