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. Sulfur containing amino acids






2. 3 physiological roles of lipids






3. 4 causes of denaturation of proteins






4. Characteristic of basic amino acids






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






6. 2 things that accelerate the rate of hydrolysis for peptide cleavage?






7. Characteristics of polar amino acids






8. Sugar with an aldehyde at the first carbon position






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






10. Enzyme that hydrolyzes maltose into 2 glucose molecules?






11. Acidic amino acids






12. Glyceraldehyde






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






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






15. 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






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






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






18. Formula for urea






19. Basic amino acids






20. Hydrolysis






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






22. Interconversion btw two anomers






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






24. Name for 6 membered ring






25. Glycosidic linkage of maltose






26. Right handed helix w/ carboxyl of one amino acid bound to the amine of another amino acid three residues away - proline never resides in this structure b/c it would place a kink in the helix






27. Characteristics of acidic amino acids






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






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






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






31. Glycosidic linkage of cellulose






32. 2 reasons why fats have more efficient energy stores than carbs






33. Unique feature of glycine






34. Glycosidic linkage of lactose






35. 3 carbon triol that forms backbone of triacylglycerol






36. Fxn of cholesterol in the membrane?






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






38. Hydrophilic amino acids






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






40. Unique feature of proline






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






42. Name for 5 membered ring






43. What stabilizes lipid bilayer?






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






45. Enzyme that hydrolyzes lactose into galactose and glucose into






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






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






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






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






50. Enzymes that hydrolyze fats