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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. Fatty acid w/ no double bonds and maximum number of hydrogens






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






3. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






4. Characteristic of basic amino acids






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






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






7. Basic amino acids






8. Characteristics of hydrophobic amino acids






9. 4 causes of denaturation of proteins






10. Unique feature of glycine






11. Molecules with the same atoms - but different bonds






12. Characteristics of acidic amino acids






13. Fxn of cholesterol in the membrane?






14. Enzyme that hydrolyzes lactose into galactose and glucose into






15. Hydrophilic amino acids






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






17. Glycosidic linkage of sucrose






18. Glycosidic linkage of lactose






19. Acetic acid formula?






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






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






22. The amino acid sequence of a protein that is determined by peptide bond






23. What kind of lipids compromise the lipid bilayer?






24. PH at which the amino acid has a net neutral charge






25. Name for 6 membered ring






26. Sugar with an aldehyde at the first carbon position






27. 3 carbon triol that forms backbone of triacylglycerol






28. Name for 5 membered ring






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






30. 1.has partial double bond character due to resonance 2. it cannot rotate 3. amide H is someWhat acidic and can H bond






31. Enzyme that hydrolyzes maltose into 2 glucose molecules?






32. Hydrolysis






33. 3 physiological roles of lipids






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






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






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






37. Glycosidic linkage of maltose






38. Acidic amino acids






39. Unique feature of cysteine






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






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






42. Sulfur containing amino acids






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






44. Naturally occurring carbohydrates are formed from what?






45. Physiological pH






46. 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)






47. 1. it requires an enzyme to linearize and mutarotate 2. it is not a reducing sugar and give negative Benedict's test






48. Energy storage molecule of carbohydrates for animals






49. 2 covalent bonds formed in proteins






50. Energy storage molecule of carbohydrates for plants