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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. Fatty acid structure






2. Enzyme that hydrolyzes maltose into 2 glucose molecules?






3. Nonpolar - hydrophobic amino acids






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






5. 4 causes of denaturation of proteins






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






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






8. Glycosidic linkage of maltose






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






10. Acetic acid formula?






11. Unique feature of proline






12. Interconversion btw two anomers






13. Characteristics of acidic amino acids






14. What stabilizes lipid bilayer?






15. Energy storage molecule of carbohydrates for plants






16. 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






17. Glyceraldehyde






18. 3 physiological roles of lipids






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






20. 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)






21. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






22. Histidine






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






24. Physiological pH






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






26. Glycosidic linkage of lactose






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






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






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






30. Acidic amino acids






31. Name for 6 membered ring






32. Glycosidic linkage of sucrose






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






34. Basic amino acids






35. Name for 5 membered ring






36. 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






37. Polar amino acids






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






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






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






41. Characteristics of hydrophobic amino acids






42. Naturally occurring carbohydrates are formed from what?






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






44. Formula for urea






45. Glycosidic linkage of cellulose






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






47. Energy storage molecule of carbohydrates for animals






48. Unique feature of cysteine






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






50. 2 covalent bonds formed in proteins