Test your basic knowledge |

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. Glycosidic linkage of cellulose






2. Nonpolar - hydrophobic amino acids






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






4. Sulfur containing amino acids






5. Interconversion btw two anomers






6. Enzyme that hydrolyzes lactose into galactose and glucose into






7. Hydrophilic amino acids






8. Energy storage molecule of carbohydrates for plants






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






10. 2 covalent bonds formed in proteins






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






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






13. Histidine






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






15. Unique feature of glycine






16. Characteristic of basic amino acids






17. Acetic acid formula?






18. Energy storage molecule of carbohydrates for animals






19. D and L describe what?






20. Polar amino acids






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






22. What stabilizes lipid bilayer?






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






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






25. Glycosidic linkage of maltose






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






27. Molecules with the same atoms - but different bonds






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






29. Physiological pH






30. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






31. 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






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






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






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






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






36. Hydrolysis






37. What kind of lipids compromise the lipid bilayer?






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






39. Characteristics of acidic amino acids






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






41. Acidic amino acids






42. Glycosidic linkage of sucrose






43. Fatty acid structure






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






45. Unique feature of proline






46. Name for 6 membered ring






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






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






49. Characteristics of hydrophobic amino acids






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