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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 does the start codon code for in eukaryotes and prokaryotes






2. What is the pathway in the fasting state leading to inc FBPase -2 and dec PFK-2






3. What neuroanatomical strutures are injured in wernicke - korsakoff






4. protein malnutrition resulting in skin lesions - edema and liver malfxn






5. What is a nonsense mutation






6. What are the irreversible enzymes of gluconeogenesis






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






8. Who typically has lactase def






9. What does fomepizole do






10. What substances directly inhibit electron transport chain






11. How does cytosine become uracil






12. What substance inside the cells replenishes NADPH






13. What is the amino acid precursor for catecholamines






14. What does acetyl - CoA become before becoming palmitate






15. What is chediak higashi






16. cytoskeletal elements associated with vimenentin - desmin - cytokeratin - glial fibrillary acid protiens (GFAP) - neurofilaments






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






18. What is the breakdown product of NE






19. What are the findings in PKU






20. Which anticancer drugs work on microtubules






21. What is the result of vit B5 def






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






23. What does amino acid catabolsim results in the formation of what?






24. What are Heinz bodies






25. NADPH are used In what 4 things






26. Which aspect of the spliceosome do patients with lupus make antibodies against






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






28. What are the only purely ketogenic amino acids






29. Broadly - What can cause fat - soluble vitamin deficiencies






30. When are glycogen reserves depleted






31. How many rings do pyrimidines have






32. Where is vit B12 found






33. What are the clinical features of I cell diesase






34. Where do you find elastin and What does it do






35. What reaction does adenosine deaminase normally catalyze






36. Where are FADH2 electrons transferred to...






37. What apolipoproteins are on chylomicrons






38. What is the trinucleotide repeat in fragile X






39. What is variable expression and What is an example






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






41. deletion of VHL gene on chromosome 3 leading to hemangioblastomas of retina/cerebellum/medulla bilateral RCC - dz and overexpression product






42. What are the water soluble vitamins - which ones are stored






43. Of the four possible fates for pyruvate - which one can replenish TCA cycle or be used in gluconeogenesis






44. In which structures do you find microtubules






45. What enzyme converts adenine to AMP






46. What is the TX for hyper ammonemia






47. What does the addition of mannose -6 phosphate do






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






49. When does aspartate enter the urea cycle






50. Which anti breast cancer drugs work on micortubules