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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. Energy storage molecule of carbohydrates for animals






2. 3 carbon triol that forms backbone of triacylglycerol






3. Glycosidic linkage of lactose






4. Polar amino acids






5. Unique feature of proline






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






7. Acidic amino acids






8. Enzymes that hydrolyze fats






9. Name for 6 membered ring






10. Characteristics of acidic amino acids






11. Unique feature of glycine






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






13. Histidine






14. Fatty acid structure






15. Energy storage molecule of carbohydrates for plants






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






17. Characteristic of basic amino acids






18. Sugar with an aldehyde at the first carbon position






19. Interconversion btw two anomers






20. What stabilizes lipid bilayer?






21. Basic amino acids






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






23. Name for 5 membered ring






24. Hydrolysis






25. Formula for urea






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






27. Unique feature of cysteine






28. D and L describe what?






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






30. 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






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






32. 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)






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






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






35. What kind of lipids compromise the lipid bilayer?






36. Glycosidic linkage of sucrose






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






38. Characteristics of hydrophobic amino acids






39. 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






40. Acetic acid formula?






41. Glycosidic linkage of maltose






42. 4 causes of denaturation of proteins






43. 2 reasons why fats have more efficient energy stores than carbs






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






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






46. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






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






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