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MCAT Organic Chemistry 2

Subjects : mcat, science
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 describes the affinity of functional groups for a proton?






2. Acidic amino acids






3. Sugar with an aldehyde at the first carbon position






4. What stabilizes lipid bilayer?






5. Fxn of cholesterol in the membrane?






6. Characteristics of acidic amino acids






7. Histidine






8. Enzyme that hydrolyzes lactose into galactose and glucose into






9. Nonpolar - hydrophobic amino acids






10. Glycosidic linkage of sucrose






11. Unique feature of cysteine






12. Polar amino acids






13. Hydrolysis






14. Separation is due to charge - with negative charge moving toward positive electrode and positive charge moving toward negative electrode






15. Unique feature of proline






16. Epimers of sugars that vary in the configuration of their anomeric carbons






17. Basic amino acids






18. Molecules with the same atoms and same bonds - but different bond geometries; can either be enantiomers or diastereomers






19. Storage form of fatty acid that is composed of 3 esterified fatty acid to a glycerol molecule






20. 2 covalent bonds formed in proteins






21. Fatty acid structure






22. Interaction btw polypeptide subunits arranged in polypeptide. can be covalent bonds or intermolecular forces - disulfide bond that does not form btw residues on the same protein affect (blank)






23. Adjacent polypeptide strands running in opposite directions in Beta pleated sheet structure






24. Amino group placed on the left of a fischer projection is a?






25. Amino group placed on the right of a fischer projection is a?






26. Structure where H bonds occur btw residues distant from each other - or on a separate chain. backbone is extended rather than coiled






27. Glyceraldehyde






28. 1. it exists in solution in equilibrium with linear form 2. mutarotation occurs readily 3. it is a reducing sugar - and reacts positively w/ Benedict's reagent






29. Generated btw either thiols on different proteins or thiols on the same protein






30. Name for 5 membered ring






31. Characteristics of polar amino acids






32. Hydrophilic amino acids






33. (R) and (S) describe what?






34. What kind of lipids compromise the lipid bilayer?






35. Hydrophobic and hydrophilic interactions btw amino acids more distant from each other on the polypeptide chain






36. Glycosidic linkage of lactose






37. Sulfur containing amino acids






38. (+) and (-) describe what?






39. PH at which positive and negative charges balance to form a zwitterion






40. Rule for all amino acids that are nonbasic and nonacidic pertaining to pI value?






41. 3 physiological roles of lipids






42. Interconversion btw two anomers






43. Acetic acid formula?






44. Covalent bond formed btw carboxyl group of one atom and the amino group of another amino acid in an addition - elimination mechanism - enzymes are required to carry out rxn






45. Molecule can act as a base and as an acid






46. Unique feature of glycine






47. D and L describe what?






48. Fatty acid w/ one or more double bonds in cis form predominately






49. What configuration do all naturally occuring amino acids have?






50. Enzyme that hydrolyzes maltose into 2 glucose molecules?







Sorry!:) No result found.

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