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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. Give an example of a mitochondrial inherited disease






2. What enzyme def can cause emphysema






3. What causes B12 def






4. What step of uric acid synthesis does xanthine oxidase catalyze






5. This is the site where negative regulators bind






6. Adenosine deaminase deficiency is an important cause of what immunodeficiency?






7. What are the 3 AR forms of homocystinuria






8. Which are the basic amino acids






9. What converts tyrosine to DOPA






10. Which RNA poly opens DNA at promotor site






11. What does vit E def cause






12. Who typically has lactase def






13. What is the defectin IV - hypertriglyceridemia






14. What is RNAi used for






15. What produces NADPH






16. What regulates whether FBPase -2 or PFK-2 is active






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






18. central and peripheral demyelination with ataxia and dementia






19. Mild Hurlurs + aggressive behavior no corneal clouding






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






21. What are the two possible causes of albinism






22. What is the RDE of gluconeogenesis






23. What is the mutation in beckers muscular dystrophy - What is the severity and time of onset






24. How does chloramphenicol work






25. In what cells do the respiratory burst occur






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






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

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28. What is the activated carrier for electrons






29. What are the glucogenic essential amino acids






30. What are the findings in Lesch - Nyhan






31. What makes up a nucleotide

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






33. What does arsenic do and What are th results of poisoning






34. Very Poor Carbohydrate Metabolism stands for 4 of the glycogen storage diseases - What are thy

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35. What is the defect in II A familial hypercholesterolemia






36. What happens in folate def






37. What is heteroplasmy






38. trinucleotide repeat fo myotonic dystrophy






39. What does apoCII do






40. What is a frame shift






41. What is the RDE of the urea cycle






42. What trinucleotide repeat in Huntingtons and what chromosome is it found on...






43. What happens with wet beriberi






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






45. What are the fat soluble vitamins and What does their absorption depend on...






46. What are the only purely ketogenic amino acids






47. several distinct syndromes characterized by familial tumors of endocrine glands including pancreas - parathyroid - pituitary - thryoid and adrenal medulla - disorders and gene association






48. What does high cholesterol or long saturated fatty acid content do to the melting temperature and fluidity






49. colon becomes covered witih adenomatous polyps after puberty - progresses to colon cancer unless resected






50. What does a phosphorylase do