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






2. In what cell is collagen synthesis initiated






3. How is ammonium transported from muscle to the liver for urea cycle






4. What does a northern blot use as its sample






5. What does NADPH oxidase deficiency result in and why






6. hepatosplenomegaly - aseptic necrosis of femur - bone crisis - MACS that look like crumpled tissue paper

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7. What is the RDE of de novo pyrimidine synthesis






8. What tissue samples are used for karyotyping






9. decreases In what substances can cause PKU






10. What does DNA poly I do?






11. congenital microdeletion of short arm of chromosome 5 with microcephaly - moderate to severe mental retardation - high pitched crying/meying - epicanthal folds - cardiac abnl






12. Type II cartilage






13. What causes Hartnup's disease






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






15. What is the result of vit B5 def






16. What are the findings in orotic aciduria






17. What causes biotin def






18. What lab technique is use to profile gene expression levels of thousands of genes simultaneously to study certain diseases and treatments






19. Leysh - Nyhan syndrome is a defect in which enzyme and What are the biochemical results






20. What is the Hardy Weinberg disease prevalence equation






21. NADPH are used In what 4 things






22. Type I collagen






23. In which direction is protein synthesized






24. What inhibits the carnitine shuttle






25. Which amino acids are elastin rich in






26. What is the defect in cystinuria






27. energy malnutrition resulting in tissues and muscle wasting - loss of subQ fat - variable edema






28. What is the rate determining enzyme (RDE) of glycolysis






29. What happens in folate def






30. What does a phosphorylase do






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






32. What are the only purely ketogenic amino acids






33. What does osteogenesis imperfecta causes and why






34. What is the initial transcript called and What is the capped and tailed transcript called






35. Of the four possible fates for pyruvate - which one carries amino groups to liver from muscle






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






37. What is mosaicism and give an example






38. What causes Edwards syndrome and What is it






39. What part of the pre mRNA contains the actual genetic information coding for protein






40. nucleotide repeat for fredreich's ataxia






41. Which kind of osteogenesis imperfecta is fata in utero or in neonatal period






42. What is a silent mutation






43. inc glycogen in muscle but can't break it down - painful muscle cramps - myglobinuria with strenuous exercise - dz and enzyme

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44. Which RNA poly opens DNA at promotor site






45. What does cytokeratin stain for






46. What are the glucogenic essential amino acids






47. What collagen type is most frequently affected in ehlers danlos and What are common complications






48. What happens with dry beriberi






49. What is the activated carrier for electrons






50. What does the golgi do to sugars in proteoglycans and of selected tyrosine on proteins