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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. What is made fir rNucleotides or deoxyrNucleotides and what enzyme is necessary to convert one to the next






2. Where is vit B12 found






3. In eukaryotes - What does RNA poly I make






4. 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






5. What converts DOPA to dopamine






6. What inhibits pyruvate kinase






7. What are the findings in orotic aciduria






8. What is the fxn of vit K






9. What substances induce phosphofructokinase






10. What two proteins make up microtubules and how are they arranged






11. What is the amino acid precursor for porphyrin and heme






12. When does aspartate enter the urea cycle






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






14. What is the results of vit B1 def






15. What reaction does adenosine deaminase normally catalyze






16. What test is used for B12 def






17. What is the defectin IV - hypertriglyceridemia






18. What is the function and name of vit B6






19. Where is hexokinase found - What is its Km and Vmax and what uninduces it






20. What is the target of the 3' hydroxyl attack






21. What is the defect in II A familial hypercholesterolemia






22. What is heteroplasmy






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






24. What does desmin stain for






25. What is the fxn of vit D






26. What ribosomes do eukaryotes have






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






28. How does abetalipoproteinemia present and What is the defect






29. What happens to glycogen in the liver






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






31. Pts with albinism are at inc risk For what cancer






32. What are purines made from






33. What is pseudohypertrophy in the calf a result of - and What are the cardiac manifestations






34. What is RNAi used for






35. What is imprinting and give an example


36. What does a kinase do






37. What is the hardy weinberg allele prevalence






38. What shuttle is used in fatty acid degredation and What does it move and From where to where






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






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






41. Describe robertsonian translocation






42. Synthesis of vit B3 requires what other vitamin






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






44. What is the energy source for translocation






45. Which part of the DNA binds RNA polymerase and multiple other TFs upstream from gene locus






46. pyruvate carboxylase catalyzes what rxn






47. What happens in zinc def






48. What kind of branches do glycogen branches have






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






50. What enzyme results in classic galactosemia and What is the clinical