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. Basic amino acids






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






3. Unique feature of glycine






4. What kind of lipids compromise the lipid bilayer?






5. Glycosidic linkage of lactose






6. Energy storage molecule of carbohydrates for animals






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






8. Physiological pH






9. Hydrolysis






10. Enzymes that hydrolyze fats






11. Fatty acid structure






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






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






14. Formula for urea






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






16. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






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






19. Characteristics of hydrophobic amino acids






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






21. 4 causes of denaturation of proteins






22. 3 physiological roles of lipids






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






24. 1. it exists in solution in equilibrium with linear form 2. mutarotation occurs readily 3. it is a reducing sugar - and reacts positively w/ Benedict's reagent






25. Glyceraldehyde






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






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






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






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






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






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






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






33. Histidine






34. Name for 6 membered ring






35. Energy storage molecule of carbohydrates for plants






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






37. Nonpolar - hydrophobic amino acids






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






39. Characteristic of basic amino acids






40. Characteristics of acidic amino acids






41. Fxn of cholesterol in the membrane?






42. 2 reasons why fats have more efficient energy stores than carbs






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






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






45. Glycosidic linkage of cellulose






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. Name for 5 membered ring






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






49. 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






50. Sugar with an aldehyde at the first carbon position