Test your basic knowledge |

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






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






3. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






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






7. What kind of lipids compromise the lipid bilayer?






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






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






10. Glycosidic linkage of cellulose






11. Energy storage molecule of carbohydrates for animals






12. Glycosidic linkage of sucrose






13. 2 reasons why fats have more efficient energy stores than carbs






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






15. Polar amino acids






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






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






18. D and L describe what?






19. Characteristics of polar amino acids






20. Hydrolysis






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






22. 2 covalent bonds formed in proteins






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






24. Interconversion btw two anomers






25. Nonpolar - hydrophobic amino acids






26. Unique feature of glycine






27. Glyceraldehyde






28. Energy storage molecule of carbohydrates for plants






29. Sugar with an aldehyde at the first carbon position






30. Enzyme that hydrolyzes maltose into 2 glucose molecules?






31. Fxn of cholesterol in the membrane?






32. Naturally occurring carbohydrates are formed from what?






33. Fatty acid structure






34. Basic amino acids






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






36. Glycosidic linkage of maltose






37. 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)






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






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






40. Enzymes that hydrolyze fats






41. Acetic acid formula?






42. Formula for urea






43. Physiological pH






44. Name for 5 membered ring






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






46. Characteristics of hydrophobic amino acids






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






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






49. Histidine






50. Characteristic of basic amino acids