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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. Molecules with the same atoms - but different bonds






2. Physiological pH






3. What kind of lipids compromise the lipid bilayer?






4. Fatty acid structure






5. Characteristics of acidic amino acids






6. Energy storage molecule of carbohydrates for animals






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






8. Characteristics of polar amino acids






9. 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)






10. Name for 6 membered ring






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






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






13. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






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






16. Fxn of cholesterol in the membrane?






17. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






18. Hydrophilic amino acids






19. Unique feature of proline






20. Interconversion btw two anomers






21. Polar amino acids






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






23. Naturally occurring carbohydrates are formed from what?






24. Glyceraldehyde






25. Glycosidic linkage of lactose






26. Sugar with a carbonyl group at the 2 carbon position






27. Acetic acid formula?






28. Glycosidic linkage of maltose






29. Name for 5 membered ring






30. Unique feature of glycine






31. Histidine






32. Enzyme that hydrolyzes lactose into galactose and glucose into






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






34. Basic amino acids






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






36. 3 physiological roles of lipids






37. Property of fatty acids where one end is hydrophobic and the other is hydrophilic






38. What stabilizes lipid bilayer?






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






40. Sugar with an aldehyde at the first carbon position






41. 3 carbon triol that forms backbone of triacylglycerol






42. Carbon that in linear form has a carbonyl - or in cyclic form has a hemiacetal or an acetal






43. Nonpolar - hydrophobic amino acids






44. What describes the affinity of functional groups for a proton?






45. Enzymes that hydrolyze fats






46. 4 causes of denaturation of proteins






47. 2 reasons why fats have more efficient energy stores than carbs






48. Diastereomers that vary in the configuration of 1 chiral center






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






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