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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. How do cardia glycosides work






2. characterize autosomal domint inheritance






3. What are the functinos of vitamin A






4. What is the defect in cystinuria






5. What does DNA poly I do?






6. What is the TX for PKU






7. In eukaryotes - What does RNA poly III make






8. What does a dehydrogenase do






9. What is dominant negative mutation and give an example






10. 90% of ADPKD cases are due to a mutation In what gene






11. What does vit E def cause






12. RNA poly can't proofread - but What can it do






13. How is vit D stored






14. What inhibits pyruvate kinase






15. What are the characteristics of angelmans syndrome and How does it occur






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






17. What is used to diagnose muscular dystrophies






18. What are the two transgenic strategies in mice






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






20. In what direction are DNA and RNA synthesized

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21. How is Lesch Neyhan inherited






22. What is the active form of vit D






23. trinucleotide repeat for huntingtons






24. What reaction does adenosine deaminase normally catalyze






25. What are the findings in PKU






26. How is ATP used by the cell






27. What does a western blot use for its sample






28. NADPH are used In what 4 things






29. congenital deficiency of homogentisic acid oxidase in the degradative pathway of tyrosine to fumarate leading to dark connective tissue - brown pigmented sclera - urine turns black on standing - dz and worst complication






30. In which direction is protein synthesized






31. What produces NADPH






32. Which cells are rich in smooth ER






33. What are the symptoms of vit A def






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






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

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36. Outside the fibroblast What part of procollagen is cleaved and What is it transformed into






37. Name as many x- linked recessive disorders as you can

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38. What does lipoprotein lipase do






39. What substance accumulates in galactokinase def and What is the clinical picture






40. What does GFAP stain for






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

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42. in a 100 meter sprint Where does energy come from






43. Where are FADH2 electrons transferred to...






44. What does vit B3 def result in






45. What does inc phenylalanine lead to...






46. What do the single stranded binding proteins do






47. What is I cell disease






48. Give an example of a mitochondrial inherited disease






49. What does arsenic do and What are th results of poisoning






50. What two pathways is carbomoyl phosphate involved in - and what enzyme deficiency leads to a build of carbamoyl phosphate leading to what element in pyrimidine synthesis