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






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






3. What defects characterize velocardiofacial syndrome






4. Why can't even chain fatty acids produce new glucose






5. What is the Hardy Weinberg disease prevalence equation






6. What is kartageners syndrome






7. What converts limit dextran to glucose






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






9. What does beta oxidation do and Where does it occur






10. What are the findings in orotic aciduria






11. What inhibits pyruvate kinase






12. what disease can cause pellagra






13. How many rings do pyrimidines have






14. What step begins the urea cycle and What is the enzyme needed - Where does it happen






15. What are the characteristics of angelmans syndrome and How does it occur






16. How doe NADH electrons from glycolysis and the TCA cycle enter the mitochondiria






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






18. Where are the secretory proteins made and N- linked oligosaccharide addtions put on proteins






19. What is the results of vit B1 def






20. What causes B12 def






21. What are ketone bodies made from - where are they metabolized and how are they excreted






22. 90% of ADPKD cases are due to a mutation In what gene






23. Severe fasting hypoglycemia - inc glycogen storage in liver - inc blood lactate - hepatomegaly - dz and def enzyme






24. What does a mischarge tRNA do






25. trinucleotide repeat for huntingtons






26. What can vit B3 be used to treat






27. What enzyme does fructose metabolism bypass to reach glycolysis






28. Which anti gout drugs work on microtubules






29. What is the prevalence of an X- linked recessive disease in males and in females






30. elevated LDL due to defective or absent LDL receptor - heterozygotes have cholesterol ~300 - homozygotes ~700






31. What is made fir rNucleotides or deoxyrNucleotides and what enzyme is necessary to convert one to the next






32. What apolipoproteins are on chylomicrons






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






34. What is the Name and function of vit B2






35. What is codominance and give an example






36. Which enzyme involved in RNA synthesis does not require a template






37. How do tetracyclines work






38. What does pancreatic lipase do






39. Which antihelminthe drugs work on microtubules






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






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






42. What is proteasomal degredation






43. What does an umabiguous genetic code refer to...






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






45. How are the many staggered tropocollagen molecules reinforced






46. What is the RDE of cholesterol synthesis






47. Which cells are rich in smooth ER






48. How is ammonium transported from muscle to the liver for urea cycle






49. What substances inhibit phosphofructokinase -1






50. Type IV BM