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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 does helicase do






2. What is kartageners syndrome






3. Which type of chromatin is condensed - transcriptionally inactive - sterically inaccessible?






4. What is NADPH used for






5. What does vit E def cause






6. 1 g of protein or cabrohydrate = ?kcal






7. What does a carboxylase do






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






9. What metabolic rxns occur in both the cytoplasm and mitochondria






10. What do B- complex vitamin deficiencies often result in






11. What causes biotin def






12. What causes Down syndrome






13. Which are the basic amino acids






14. peripheral neuropathy - developmental delay - optic atrophy - glopoid cells






15. What does degenerate/rundant genetic code refer to...






16. What does a phosphatase do






17. What happens on the nonoxidative arm of the HMP shunt and What is the key enzyme and cofactor






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






19. What is the TX for CF and What does it do






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






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






22. What is the activated carrier for Co2






23. How many rings do pyrimidines have






24. The golgi apparatus fxns as a distribution center between what organelles in the cell and What does it process






25. What does inc phenylalanine lead to...






26. What does a defective Cl channel do






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






28. What tissues have only aldose reductase






29. What other inflammatory process can induce a hemolytic anemia in NADPH defieicnt patients






30. What is the longest time of RNA and shortest






31. Accurate base pairing is required only in the first two nucleotide positions of an mRNA codon - so conds differeing in the 3rd position may code for the same tRNA/AA due to degenerate genetic code






32. Delivers dietary TGs to peripheral tissues - delivers cholesterol to liver in the form of remnants - mostly depleted of TGs - secreted by intestinal epith cells






33. What two rxns in in glycolysis require ATP






34. What is the treatment for cystathionine synthase def






35. What happens in a B12 def






36. How does ouabain work






37. What is the purpose of the HMP shunt






38. What does CATCH 22 stand for and What causes is...






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






40. Where are FADH2 electrons transferred to...






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






42. What are the findings with homocystinuria and What amino acid is needs to be supplemented






43. What is the wernicke - korsakoff clinical picture






44. Which step in the de novo purine and pyrimidine synthesis pathway requires just aspartate






45. What is imprinting and give an example

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






47. NADPH are used In what 4 things






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






49. How do odd chain fatty acids participate in gluconeogenesis






50. bilateral acoustic schwannomas - juvenile cataracts