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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 Citrate Is Krebs starting substrate for making oxaloacetate






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






3. What is the activated carrier for Co2






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






5. Which are the acidic amino acids






6. What lab procedure is used to amplify desired fragment of DNA and What are the 3 steps






7. What is the breakdown product of epi






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






9. In what direction are DNA and RNA synthesized

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10. What happens in carnitine def






11. What are cyclin - CDK complexes






12. What is the wernicke - korsakoff clinical picture






13. What are the only purely ketogenic amino acids






14. What causes Down syndrome






15. What is a silent mutation






16. Describe the structure of cilia






17. What does apoCII do






18. Which anticancer drugs work on microtubules






19. What is the Name and fxn of vit B5






20. hepatosplenomegaly - aseptic necrosis of femur - bone crisis - MACS that look like crumpled tissue paper

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21. What is the RDE of glycogenolysis






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






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






24. What polar group does guanine have - and what non polar group does thymine have






25. What is sorbitol - how and why is it made






26. What does Ehlers Danlos cause and why






27. What 3 syndromes are associated with vit B1 def






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






29. What is the breakdown product of dopamine






30. The golgi apparatus fxns as a distribution center between what organelles in the cell and What does it process






31. What is the RDE of fatty acid oxidation






32. How many nucTIDEs is a tRNA and What does the secondary sturcture form






33. What are the names and sources of the two types of vit D found in nature






34. What happens in zinc def






35. bilateral acoustic schwannomas - juvenile cataracts






36. What do def in in enzymes of gluconeogenesis cause






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






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






39. What activates the pyruvate dehydrogenase complex






40. Which direction does kinesin go






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






42. In which single strand DNA repair mechanism do specific endonucleases release the oligonucTIDE containing bases and DNA poly and ligase fill and reseal - and what disease occures when this is mutated






43. In eukaryotes - What does RNA poly III make






44. In addition to fructose and galactose - what sugards should be excluded from the diets of patients with disorders of fructose or galactose metabolism






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






46. Delivers dietary TGs to peripheral tissues - delivers cholesterol to liver in the form of remnants - mostly depleted of TGs - secreted by intestinal epith cells






47. 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






48. What are covalent alterations






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






50. The pyruvate dehydorgenase complex serves In what reaction: reactants