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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 liberates glucose from glucose 6 P






2. What is the activated carrier for aldehyddes






3. What is the function and name of vit B6






4. What are the irreversible enzymes of gluconeogenesis






5. What does DNA ligase do






6. Describe the structure of cilia






7. What is the hardy weinberg allele prevalence






8. What does cytokeratin stain for






9. In eukaryotes - What does RNA poly II make






10. developmental delay - gargoylism - airway obstruction - corneal clouding - hepatosplenomegaly






11. What is a silent mutation






12. What is the rate determining enzyme (RDE) of glycolysis






13. characterize mitochondrial inheritance






14. How are the many staggered tropocollagen molecules reinforced






15. What is the RDE of de novo purine synthesis






16. What is the activated carrier for Acyl






17. The pyruvate dehydrogenase complex serves In what reaction: products






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






19. progressive neurodegeneration - developmental delay - cherry red spot on macula - lysosomes with onion skin - NO hepatosplenomegaly






20. What is the activated carrier for methyl groups






21. What reaction does adenosine deaminase normally catalyze






22. What does PURe As Gold and CUT The Py stand for






23. What does DNA poly I do?






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

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25. What apolipoproteins are on chylomicrons






26. What part of the pre mRNA contains the actual genetic information coding for protein






27. What is the purpose of the HMP shunt






28. What can vit B3 be used to treat






29. What enzyme catalyzes the rxn from pyrvuate to Acetyl - CoA and what inhibits it






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






31. How does abetalipoproteinemia present and What is the defect






32. What lab procedure is used to amplify desired fragment of DNA and What are the 3 steps






33. What is the RDE of TCA cycle






34. What does the golgi apparatus do on asparagine






35. How do macrolides and clindamycin work






36. What is the activated carrier for 1 carbon units






37. cell signaling defect of fibroblast growth factor (FGF) receptor 3 - results in dwarfism - short limbs - head/trunk nl size - associated with advanced paternal age






38. Acetyl - CoA carboxylase catalyzes what rxn






39. What inhibits the carnitine shuttle






40. recurrent pulmonary infxns in CF are due to what organisms






41. bilateral - massive enlargement of of kidneys due to multiple large cysts






42. What does apoA 1 do






43. What lab value can distinguish orotic aciduria from ornithine transcarbamoylase def?






44. What substances induce phosphofructokinase






45. What are the clinical features of I cell diesase






46. What does aminoacyl tRNA synthetase do the AA before and after it binds to tRNA - and what happens if it's the wrong the match






47. What do DNA topoisomerases do






48. Which anti breast cancer drugs work on micortubules






49. What are the function of vit C






50. What happens in a B12 def