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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. Glycosidic linkage of cellulose






2. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






4. Acetic acid formula?






5. Histidine






6. Unique feature of cysteine






7. Characteristics of acidic amino acids






8. 3 carbon triol that forms backbone of triacylglycerol






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






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






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






12. Energy storage molecule of carbohydrates for plants






13. Naturally occurring carbohydrates are formed from what?






14. Unique feature of proline






15. 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)






16. Molecules with the same atoms - but different bonds






17. Glycosidic linkage of sucrose






18. Polar amino acids






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






20. Glycosidic linkage of lactose






21. Hydrophilic amino acids






22. Characteristics of polar amino acids






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






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






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






26. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






27. Nonpolar - hydrophobic amino acids






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






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






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






31. Sugar with an aldehyde at the first carbon position






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






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






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






35. Fatty acid structure






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






37. Right handed helix w/ carboxyl of one amino acid bound to the amine of another amino acid three residues away - proline never resides in this structure b/c it would place a kink in the helix






38. Enzyme that hydrolyzes lactose into galactose and glucose into






39. Physiological pH






40. Name for 5 membered ring






41. D and L describe what?






42. 3 physiological roles of lipids






43. 4 causes of denaturation of proteins






44. 2 reasons why fats have more efficient energy stores than carbs






45. Energy storage molecule of carbohydrates for animals






46. Acidic amino acids






47. Fxn of cholesterol in the membrane?






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






49. Formula for urea






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