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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. congenital microdeletion of long arm of chromosoe 7 with findings of elfin facies - mental retardation - hypercalcemia - well developed verbal skills - extreme friendliness with strangers - cardiovascular problems






2. phosphorylation of glucose to yield glucose 6 phosphate serves as the 1st step of what rxns and what enzymes catalyze it






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






4. What enzyme converts phenylalanine to tyrosin






5. What is the RDE of ketogenesis






6. What does DNA ligase do






7. What are the purely ketogenic amino acids






8. What enzyme does fructose metabolism bypass to reach glycolysis






9. What are the results of CF on male fertility






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






11. What are uncoupling agents






12. Accurate base pairing is required only in the first two nucleotide positions of an mRNA codon - so conds differeing in the 3rd position may code for the same tRNA/AA due to degenerate genetic code






13. What does a phosphorylase do






14. What is variable expression and What is an example






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






16. What are the glucogenic essential amino acids






17. What two rxns in in glycolysis require ATP






18. Where are FADH2 electrons transferred to...






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






20. Why enzyme breaks down elastin and what enzyme inhibits it






21. What is the TX for PKU






22. What is anticipation and give an example






23. What is the function of biotin






24. What shape does the RNA generate during splicing and why?






25. What is the activated carrier for 1 carbon units






26. What enzyme results in classic galactosemia and What is the clinical






27. antbiotic controlled promoter to induciblly manipulate genes at specific developmental points






28. nucleotide repeat for fredreich's ataxia






29. trinucleotide repeat fo myotonic dystrophy






30. What causes patau's syndrome and What is it






31. Why does alpha amanitin cause liver failure and Where is it found






32. What is the Hardy Weinberg disease prevalence equation






33. What is the amino acid precursor for catecholamines






34. Who typically has lactase def






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






36. What are the symptoms of vit A def






37. In a marathon Where does energy come from






38. What are the results of pancreatic insuff in CF






39. characterize autosomal recessive inheritance






40. In base excision repaire - what recognizes and removes damaged bases and what cuts the DNA to remove the empty sugar






41. What metabolic rxns occur in both the cytoplasm and mitochondria






42. What happens in vit K def






43. Type II cartilage






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






45. Give an example of a mitochondrial inherited disease






46. bilateral acoustic schwannomas - juvenile cataracts






47. What is the RDE of cholesterol synthesis






48. What defects characterize velocardiofacial syndrome






49. What are the 4 assumption of the Hardy Weinberg law






50. What is maternal PKU