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






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






3. Acetic acid formula?






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






5. Fatty acid structure






6. Sulfur containing amino acids






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






8. Unique feature of proline






9. Characteristics of hydrophobic amino acids






10. Glycosidic linkage of maltose






11. Hydrolysis






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






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






14. Polar amino acids






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






16. Enzyme that hydrolyzes lactose into galactose and glucose into






17. Naturally occurring carbohydrates are formed from what?






18. Histidine






19. What kind of lipids compromise the lipid bilayer?






20. Energy storage molecule of carbohydrates for plants






21. Unique feature of cysteine






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






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






24. 3 carbon triol that forms backbone of triacylglycerol






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






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






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






28. Characteristic of basic amino acids






29. Name for 5 membered ring






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






31. Characteristics of polar amino acids






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






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






34. Interconversion btw two anomers






35. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






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






38. Enzymes that hydrolyze fats






39. Basic amino acids






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






41. 2 covalent bonds formed in proteins






42. D and L describe what?






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






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






45. Glyceraldehyde






46. Fxn of cholesterol in the membrane?






47. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






48. 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






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






50. 4 causes of denaturation of proteins