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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 RDE of glycogenolysis






2. congenital deficiency of homogentisic acid oxidase in the degradative pathway of tyrosine to fumarate leading to dark connective tissue - brown pigmented sclera - urine turns black on standing - dz and worst complication






3. Type II cartilage






4. What is the activated carrier for phosphoryl






5. What is the amino acid precuros for niacin and serotonin/melatonin






6. What does commaless - nonoverlapping genetic code refer to...






7. What does DNA poly III do?

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8. How is vit D stored






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






10. What are the characteristics of prader willi syndrome How does it occur






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






12. What does cytokeratin stain for






13. characterize autosomal domint inheritance






14. cytoskeletal elements in micorvilli - muscle contracting fibers - cytokenesis - adherens jxns






15. what happens in acyl coa dehyrdogenase def






16. What are the physical findings of fragile x syndrome






17. fibrillin defect leading to connective tissue disorder affecting skeleton - heart - and eyes






18. delivers hepatic TGs to peripheral tissue - secreted by liver






19. What are the results of unbalanced translocation






20. How do fluoroquinolones work






21. Pts with albinism are at inc risk For what cancer






22. What metabolic rxns occur in the cytoplasm






23. The pyruvate dehydorgenase complex serves In what reaction: reactants






24. cytoskeletal elements associated with cilia - flagella - mitotic spindle - neurones and centrioles






25. energy malnutrition resulting in tissues and muscle wasting - loss of subQ fat - variable edema






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






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

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28. What is I cell disease






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






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






31. What is codominance and give an example






32. Infection with what organism can cause B12 def






33. Describe the replication fork






34. Eukaryotic and prokaryotic DNA synthesis is blank and involves both blank and blank strands






35. In which structures do you find microtubules






36. What substance accumulates in galactokinase def and What is the clinical picture






37. What enzyme def can cause emphysema






38. What substances inhibit phosphofructokinase -1






39. How do stable (quiescent) cells grow and regenerate and What are examples






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






41. How do microtubules grow and collapse






42. What happens in carnitine def






43. What defects characterize DiGeorge syndrome






44. What are the results of pancreatic insuff in CF






45. What does Citrate Is Krebs starting substrate for making oxaloacetate






46. How does chloramphenicol work






47. What does inc phenylalanine lead to...






48. What is the function of Zinc






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






50. Inhibition of thymidilate synthase and and DHFR lead to decrease In what substance