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






2. Glycosidic linkage of maltose






3. Energy storage molecule of carbohydrates for plants






4. Unique feature of glycine






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






6. Name for 6 membered ring






7. 4 causes of denaturation of proteins






8. Enzymes that hydrolyze fats






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






10. Interconversion btw two anomers






11. 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)






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






13. Sulfur containing amino acids






14. Naturally occurring carbohydrates are formed from what?






15. D and L describe what?






16. Hydrophilic amino acids






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






18. What kind of lipids compromise the lipid bilayer?






19. Characteristic of basic amino acids






20. Enzyme that hydrolyzes maltose into 2 glucose molecules?






21. Energy storage molecule of carbohydrates for animals






22. Sugar with an aldehyde at the first carbon position






23. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






24. Formula for urea






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






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






27. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






30. Physiological pH






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






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






33. Glycosidic linkage of sucrose






34. 2 reasons why fats have more efficient energy stores than carbs






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






36. Glycosidic linkage of lactose






37. Molecules with the same atoms - but different bonds






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






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






40. Unique feature of cysteine






41. Name for 5 membered ring






42. Histidine






43. Characteristics of polar amino acids






44. Hydrolysis






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






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






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






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






49. Basic amino acids






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