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. Covalent bond formed btw carboxyl group of one atom and the amino group of another amino acid in an addition - elimination mechanism - enzymes are required to carry out rxn






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






3. Naturally occurring carbohydrates are formed from what?






4. Acetic acid formula?






5. What stabilizes lipid bilayer?






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






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






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






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






10. Enzyme that hydrolyzes maltose into 2 glucose molecules?






11. Energy storage molecule of carbohydrates for animals






12. Interconversion btw two anomers






13. Unique feature of cysteine






14. Name for 5 membered ring






15. Glycosidic linkage of maltose






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






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






18. Fxn of cholesterol in the membrane?






19. Name for 6 membered ring






20. What kind of lipids compromise the lipid bilayer?






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






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






23. Glycosidic linkage of cellulose






24. Hydrophilic amino acids






25. Hydrolysis






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






27. 2 reasons why fats have more efficient energy stores than carbs






28. 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)






29. Unique feature of glycine






30. Characteristics of hydrophobic amino acids






31. Characteristics of polar amino acids






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






33. 2 covalent bonds formed in proteins






34. Glycosidic linkage of sucrose






35. Basic amino acids






36. Polar amino acids






37. Characteristic of basic amino acids






38. Energy storage molecule of carbohydrates for plants






39. Enzymes that hydrolyze fats






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






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






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






43. Sugar with an aldehyde at the first carbon position






44. Acidic amino acids






45. 3 physiological roles of lipids






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






47. Nonpolar - hydrophobic amino acids






48. Formula for urea






49. Characteristics of acidic amino acids






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