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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. Characteristics of polar amino acids






2. Characteristic of basic amino acids






3. Name for 6 membered ring






4. Glycosidic linkage of lactose






5. Enzyme that hydrolyzes maltose into 2 glucose molecules?






6. Characteristics of hydrophobic amino acids






7. Adjacent polypeptide strands running in the same direction in Beta pleated sheet structure






8. Macromolecule that performs a variety of bodily functions and is composed of up to 20 different amino acids






9. Initial folding of proteins into shapes stabilized by H bonds btw amino and carboxyl groups of backbone






10. 2 reasons why fats have more efficient energy stores than carbs






11. Sulfur containing amino acids






12. 3 carbon triol that forms backbone of triacylglycerol






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






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






15. Basic amino acids






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






17. Enzymes that hydrolyze fats






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






19. 2 covalent bonds formed in proteins






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






21. Formula for urea






22. Glyceraldehyde






23. Characteristics of acidic amino acids






24. Energy storage molecule of carbohydrates for animals






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






26. 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)






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






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






29. Acidic amino acids






30. Glycosidic linkage of maltose






31. Unique feature of glycine






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






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






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






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






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






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






38. 3 physiological roles of lipids






39. 4 causes of denaturation of proteins






40. What stabilizes lipid bilayer?






41. Molecules with the same atoms - but different bonds






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






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






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






45. Histidine






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






47. What kind of lipids compromise the lipid bilayer?






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






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






50. Acetic acid formula?