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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. nucleotide repeat for fragile x






2. What does cytokeratin stain for






3. How do fluoroquinolones work






4. What is the rate limiting enzyme in cholesterol synthesis






5. What is locus heterogeneity and give an example






6. What is the RDE of glycogenolysis






7. Is there any requirement for homology in NHEJ






8. Name 5 drugs that interfere with nucleotide synthesis






9. What substance inside the cells replenishes NADPH






10. What does hartnups disease cause






11. What happens in vit B2 def






12. What does apoCII do






13. What are the functinos of vitamin A






14. What is the most common urea cycle disorder and What is the mode of inheritance?






15. Who typically has lactase def






16. What happens on the nonoxidative arm of the HMP shunt and What is the key enzyme and cofactor






17. What is pleiotropy and given an example






18. What is regeneration of methionine depedent on...






19. What does DNA ligase do






20. What happens at the smooth ER






21. What converts dopamine to NE






22. How does abetalipoproteinemia present and What is the defect






23. What are the results of CF on male fertility






24. How does chloramphenicol work






25. What is chediak higashi






26. What are the physical findings of fragile x syndrome






27. Why can't muscle produce in gluconeogenesis






28. Which tumor suppresors inhibit G1 to S progression - where mutations result in unrestrained growth






29. The pyruvate dehydrogenase complex serves In what reaction: products






30. What substances are uncouling agents






31. How do odd chain fatty acids participate in gluconeogenesis






32. What is the order of severity for the different types of mutations






33. What enzyme catalyzes the rxn from pyrvuate to Acetyl - CoA and what inhibits it






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






35. What makes up a nucleoside






36. What does desmin stain for






37. In which structures do you find microtubules






38. Delivers dietary TGs to peripheral tissues - delivers cholesterol to liver in the form of remnants - mostly depleted of TGs - secreted by intestinal epith cells






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






40. ADPKD is associated with What additional conditions






41. NADPH are used In what 4 things






42. What are the findings in Lesch - Nyhan






43. What does apoA 1 do






44. What happens in termination of proteins synthesis






45. What is the active form of vit D






46. Mediates reverse cholesterol transport from periphery to liver - acts as respository for apoC an apoE - secreted from both liver and small intestine






47. progressive neurodegeneration - developmental delay - cherry red spot on macula - lysosomes with onion skin - NO hepatosplenomegaly






48. What happens in folate def






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






50. What enzyme does fructose metabolism bypass to reach glycolysis