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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 is the RDE of the urea cycle






2. What does primase do






3. Which direction does dynein go






4. In what cell is collagen synthesis initiated






5. What do B- complex vitamin deficiencies often result in






6. Acetyl - CoA carboxylase catalyzes what rxn






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






8. what findings are associated with marfans






9. What is the result of vit B5 def






10. How do tetracyclines work






11. What shape does the RNA generate during splicing and why?






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






13. What is chediak higashi






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






15. What co - factors are required for the pyruvated dehydrogenase complex






16. What is the fxn of vit K






17. In eukaryotes - What does RNA poly III make






18. In which single strand DNA repair mechanism do specific endonucleases release the oligonucTIDE containing bases and DNA poly and ligase fill and reseal - and what disease occures when this is mutated






19. Why can't even chain fatty acids produce new glucose






20. How do permanent cells grow and regenerate and What are examples of permanent cells






21. Which step in the de novo purine and pyrimidine synthesis pathway requires aspartate - glycine - glutamine and THF






22. What two rxns in in glycolysis require ATP






23. peripheral neuropathy - developmental delay - optic atrophy - glopoid cells






24. What converts NE to epi






25. What is the name is fxn of vit B3






26. What enzyme converts phenylalanine to tyrosin






27. caf






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






29. How does cytosine become uracil






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






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






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






33. What is the defect in I- hyperchylomicronemia






34. What kind of branches do glycogen branches have






35. What is imprinting and give an example

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36. What amino acid makes up most of the octamer






37. What is the RER called in neurons and What is made there






38. colon becomes covered witih adenomatous polyps after puberty - progresses to colon cancer unless resected






39. delivers hepatic TGs to peripheral tissue - secreted by liver






40. How many rings do purines have






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






42. What enzymes metabolize fatty acids and amino acids






43. What is the active form of vit D






44. What can vit B3 be used to treat






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






46. What enzyme adds Cl - to the H202 to makes bleach






47. What order kinetics does EtOH dehydrogenase have






48. What does a phosphorylase do






49. What substance inside the cells replenishes NADPH






50. What does the addition of mannose -6 phosphate do







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