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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 does a phosphatase do






2. What is the RER called in neurons and What is made there






3. What are the symptoms of vit A def






4. What is the main source of folate






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

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6. What does CATCH 22 stand for and What causes is...






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






8. What is the RDE of glycogen synthesis






9. cytoskeletal elements associated with vimenentin - desmin - cytokeratin - glial fibrillary acid protiens (GFAP) - neurofilaments






10. Where is EtOH dehydrogenase located






11. What is the hardy weinberg allele prevalence






12. What is NAD+ generally used for






13. What enzyme def can cause emphysema






14. What happens in vit K def






15. Which step in the de novo purine and pyrimidine synthesis pathway requires just aspartate






16. What other complex is similar to the pyruvate dehydrogenase complex in that it has the same co - factors and generates succinyl - CoA






17. What is the activated carrier for methyl groups






18. What happens in a B12 def






19. What apolipoproteins are on chylomicrons






20. What does lipoprotein lipase do






21. What are covalent alterations






22. What is the structure of elastin






23. What is pleiotropy and given an example






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






25. trinucleotide repeat fo myotonic dystrophy






26. What are the function of vit C






27. 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






28. What does degenerate/rundant genetic code refer to...






29. What makes up a nucleoside






30. Describe the structure of cilia






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






32. What is the RDE of de novo purine synthesis






33. What is the amino acid precuror for creatine - urea and nitric oxide






34. Where is hexokinase found - What is its Km and Vmax and what uninduces it






35. If two alleles are present - but the active allele is deleted - what happens






36. What is loss of heterozygosity and give an example






37. What feedback inhibits hexokinase






38. What is the exception to genetic redundancy






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






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






41. What is the activated carrier for Co2






42. How does patients present with ADPKD






43. Which step in the de novo purine and pyrimidine synthesis pathway requires aspartate - glycine - glutamine and THF






44. several distinct syndromes characterized by familial tumors of endocrine glands including pancreas - parathyroid - pituitary - thryoid and adrenal medulla - disorders and gene association






45. What does hepatic TG lipase do






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






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






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






49. What does SAM do






50. How is orotic aciduria inherited