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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 left of a fischer projection is a?






2. Hydrophilic amino acids






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






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






5. Interconversion btw two anomers






6. Name for 6 membered ring






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






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






9. Glycosidic linkage of sucrose






10. Sulfur containing amino acids






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






12. Enzyme that hydrolyzes maltose into 2 glucose molecules?






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






14. Glyceraldehyde






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






16. Polar amino acids






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






18. Basic amino acids






19. 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)






20. What stabilizes lipid bilayer?






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






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






23. 2 reasons why fats have more efficient energy stores than carbs






24. Acidic amino acids






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






26. Fxn of cholesterol in the membrane?






27. Characteristics of polar amino acids






28. Energy storage molecule of carbohydrates for animals






29. Nonpolar - hydrophobic amino acids






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






32. Physiological pH






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






34. Characteristics of acidic amino acids






35. Energy storage molecule of carbohydrates for plants






36. Enzyme that hydrolyzes lactose into galactose and glucose into






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






38. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






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






40. Glycosidic linkage of maltose






41. Naturally occurring carbohydrates are formed from what?






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






43. D and L describe what?






44. 4 causes of denaturation of proteins






45. Histidine






46. Enzymes that hydrolyze fats






47. Hydrolysis






48. Glycosidic linkage of lactose






49. 2 covalent bonds formed in proteins






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