Test your basic knowledge |

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 does beta oxidation do and Where does it occur






2. In which direction is protein synthesized






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






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






5. Gene imprinting implies that How many alleles are active at a single locus






6. What initiates protein synthesis






7. What happens to oxaloacetate in alcholism






8. What induces pyruvate kinase






9. What is maternal PKU






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






11. What collagen type is most frequently affected in ehlers danlos and What are common complications






12. In eukaryotes - What does RNA poly I make






13. What does inc phenylalanine lead to...






14. What two amino acids are required druing periods of growth and why






15. facial lesions - hypopigmented 'ash leaf spots -' cortical and retinal hamartomas - seizures - mental retardation - renal cysts - renal angiomyolipomas - cardiac rhabdomyomas - inc risk of astrocytomas






16. How does patients present with ADPKD






17. What does vit C def cause






18. What are the findings in Lesch - Nyhan






19. Type IV collagen is an important structural componenet of the BM for which 3 organs






20. What two pathways is carbomoyl phosphate involved in - and what enzyme deficiency leads to a build of carbamoyl phosphate leading to what element in pyrimidine synthesis






21. Mild Hurlurs + aggressive behavior no corneal clouding






22. What is the main source of folate






23. In mismatch repair - which strand is recognized and In what hereditary syndrome is this defective






24. central and peripheral demyelination with ataxia and dementia






25. What happens in hyperammonemia






26. What two enzymes are involved in EtOH metabolism






27. What does lipoprotein lipase do






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






29. What substances are uncouling agents






30. Which type of chromatin is condensed - transcriptionally inactive - sterically inaccessible?






31. What enzyme becomes essential in PKU






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






33. inc glycogen in muscle but can't break it down - painful muscle cramps - myglobinuria with strenuous exercise - dz and enzyme


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






35. What metabolic rxns occur in the mitochondria






36. In what cell is collagen synthesis initiated






37. Which amino acids are elastin rich in






38. What metabolic rxns occur in the cytoplasm






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






40. What is NADPH's role inside RBCs






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






42. What does the TCA cycle produce per 1 acetyl CoA






43. What happens to glycogen in the liver






44. CF - is AR deletion In what gene On what chromosome resulting in a deletion inf what?






45. What is the initial transcript called and What is the capped and tailed transcript called






46. nucleotide repeat for fredreich's ataxia






47. What does the golgi apparatus do on asparagine






48. What is axonemal dynein






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






50. What occurs to oxaloacetate in starvation and DKA