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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. What is the target of the 3' hydroxyl attack






2. trinucleotide repeat for huntingtons






3. What do albinism - ARPKD - CF - glycogen storage diseases - hemochromatosis - mucopolysaccharidoses (except Hunters) PKU - sickle cell - sphingolipodoses (except Fabrys) thalassemias have in common






4. What happens in termination of proteins synthesis






5. antbiotic controlled promoter to induciblly manipulate genes at specific developmental points






6. What does Ehlers Danlos cause and why






7. Which RNA poly opens DNA at promotor site






8. What is the exception to genetic redundancy






9. What does hormone sensitive lipase do






10. What is the results of vit B1 def






11. What metabolic rxns occur in the cytoplasm






12. What defects characterize DiGeorge syndrome






13. What is maternal PKU






14. What is the RDE of fatty acid synthesis






15. What residues are hydroxylated in step 2 of collagen synthesis - and What does this require






16. What does cytokeratin stain for






17. What substances are uncouling agents






18. What tissues have only aldose reductase






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






20. What is the function of folic acid






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






22. What tissue samples are used for karyotyping






23. Type IV BM






24. Which direction does kinesin go






25. What are the irreversible enzymes of gluconeogenesis






26. For eukaryotes - Where does replication begin?






27. What enzyme degrades a small amount of glycogen in lysosomes






28. characterize x linked recessive






29. What else can phosphoylate phosphorylase kinase






30. What is the fxn of vit D






31. What is the energy source after day 3 of starvation






32. What are covalent alterations






33. What is the RDE of glycogenolysis






34. What substance inside the cells replenishes NADPH






35. nucleotide repeat for fredreich's ataxia






36. What are the symptoms of vit A def






37. What are the 2 distinct phases of the HMP shunt and How many ATP are used and produced






38. When does aspartate enter the urea cycle






39. What are the findings in PKU






40. What is the most common urea cycle disorder and What is the mode of inheritance?






41. What substance inside the cell serves to oxidize glutatione






42. What is the RDE of de novo purine synthesis






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






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

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45. What does Adenosine deaminase deficiency cause a build up of - and What does that lead to?






46. Which cells are rich in smooth ER






47. In what cell is collagen synthesis initiated






48. What is the hardy weinber heterozygote prevalence






49. FAP is due to deletion On what gene On what chromosome






50. In which state is FBPase -2 active