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. Which type of chromatin is less condensed - transcriptionally active - sterically accesible






2. What does the deletion of the dystrophin gene lead to...






3. What are the results of unbalanced translocation






4. How do glucagon/epi lead to glycogenolysis






5. What is the fxn of vit K






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






7. What are cyclin - CDK complexes






8. What is the order of severity for the different types of mutations






9. What is the Name and function of vit B2






10. What does apoB100 do






11. What does a southern blot use as its sample






12. What is the origin of replication






13. What does inc phenylalanine lead to...






14. Formed and degradation of VLDL - delivers TGs and cholesterol to liver where they are degraded to LDL






15. What apolipoproteins are on chylomicrons






16. What is the Name and fxn of vit B5






17. What is the Name and fxn of vit B12






18. What are the results of pancreatic insuff in CF






19. What 3 amino acids are necessary for purine synthesis






20. What is Retin A used topically for






21. What happens in vit K def






22. What is the treatment for orotic aciduria






23. What does lactase deficiency cause






24. What tissues have both enzymes of sorbitol metabolism






25. What is used to diagnose muscular dystrophies






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






27. What are cyclins






28. What is the RDE of ketogenesis






29. What does a defective Cl channel do






30. What are the only purely ketogenic amino acids






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






32. What co - factors are required for the pyruvated dehydrogenase complex






33. Fluorescent DNA or RNA probe binds to specific gene of interest - used for specific localization of genes and direct visualization of anomalies - like microdeletions - at molecular level






34. How does cytosine become uracil






35. What does Adenosine deaminase deficiency cause a build up of - and What does that lead to?






36. What shuttle is used in fatty acid degredation and What does it move and From where to where






37. What is the rate limiting enzyme in cholesterol synthesis






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






39. What is locus heterogeneity and give an example






40. Outside the fibroblast What part of procollagen is cleaved and What is it transformed into






41. Which are the basic amino acids






42. What is the RDE of gluconeogenesis






43. What happens in the first stage of collagen synthesis - and Where does it happen






44. What occurs to oxaloacetate in starvation and DKA






45. What are the glucogenic essential amino acids






46. What is the result of vit B5 def






47. What does a western blot use for its sample






48. How do odd chain fatty acids participate in gluconeogenesis






49. What are the teratogenic effects of vit A and What test must be ordered before starting a woman on isotreitinoin for severe acne






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