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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 the amino acid precuror for creatine - urea and nitric oxide






2. What is the trinucleotide repeat in fragile X






3. What is the treatment for dec affinity of cystathionine synthase for pyroxidal phosphate






4. What are the reactants for glycolysis






5. How do labile celss grow and regenerate and What are examples






6. In eukaryotes - What does RNA poly III make






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






8. Why does alpha amanitin cause liver failure and Where is it found






9. In the chromatin structure - which histones form the octamer - and which ties the nucleosome beads together in a string?






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






11. What happens in the first stage of collagen synthesis - and Where does it happen






12. What are the glucogenic essential amino acids






13. What step begins the urea cycle and What is the enzyme needed - Where does it happen






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






15. What is the TX for pyruvate dehydrogenase deficiency






16. What initiates protein synthesis






17. CF - is AR deletion In what gene On what chromosome resulting in a deletion inf what?






18. Type I collagen






19. What apolipoprotein is on LDL






20. What is the RDE of glycogen synthesis






21. Synthesis of vit B3 requires what other vitamin






22. What are the symptoms of vit A def






23. What causes biotin def






24. What are CDKs






25. Type II cartilage






26. What is the purpose of the HMP shunt






27. What are the two possible causes of albinism






28. What is the energy source for tRNA actication (charging)






29. characterize x linked recessive






30. What is RNAi used for






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






32. Describe the pathophys of the aorta in a pt with marfans - and the eyes






33. What does a phosphatase do






34. What is the RDE of de novo purine synthesis






35. nucleotide repeat for fragile x






36. What is the breakdown product of dopamine






37. What is DNA cloning and How do you do it?






38. In a marathon Where does energy come from






39. What does the start codon code for in eukaryotes and prokaryotes






40. What happens in vit D def






41. What are the physical findings of fragile x syndrome






42. What does a defective Cl channel do






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






44. recurrent pulmonary infxns in CF are due to what organisms






45. What substances directly inhibit electron transport chain






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






47. What are Heinz bodies






48. What are cyclins






49. What fxn does glucokinase serve in the liver






50. What drugs can cause folate def