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5 Written questions

5 Matching questions

  1. Conjugated Proteins
  2. Fatty Acid
  3. Enzyme Activity
  4. Proteins
  5. Macromolecules
  1. a temperature- denature and breaks H bonds; pH; substrate concentration; inhibitors (antibiotics) inhibit enzymatic functions
  2. b long hydrocarbon chain ending in a carboxyl group -COOH
  3. c Made up of repeating units of amino acids (about 20 types); Subunits linked by peptide bonds forming polymers; Function: structural support, antibodies, contractile fibers, toxins, transport.
  4. d m. wt. 10^3- 10^9; nucleic acids, proteins, lipids, polysaccharides. 4 most important to study.
  5. e amino acid with another component; glycoprotein; nucleoprotein; lipoprotein; phosphoprotein.

5 Multiple choice questions

  1. DNA and RNA; Basic Unit- nucleotide; Building Blocks- a cyclic pentose sugar; phosphate; nitrogenous base. DNA lacks a hydroxyl group making it more flexible.
  2. CO2, H2O, NH3, N2, etc.
  3. N-acetyl muramic acid; important sugar acids in bacterial cell walls
  4. glucose and glucose; glucose is a bad sugar
  5. glucose and fructose; bad for teeth

5 True/False questions

  1. Protein PropertiesAllosteric proteins- dual affinity (hemoglobin); denaturation and re-naturation of proteins; enzymatic activity (catalysts)- apo enzyme and holo enzyme; lowering of activation energy; E+S <-> [ES]-> Product + Enzyme


  2. Lipidsglucose and galactose


  3. TertiaryThe overall 3D structure of the polypeptide chain. Held together by different bonds: peptide, ionic, hydrogen, covalent, sulfhydryl, etc. Prions are proteins that don't take their correct 3D shape and are harmful; mad cow disease.


  4. Oligosaccharidesmost important are disaccharides; covalent linkages of two monosaccharides with the release of H2O (glycosidic bond). i.e. sucrose, lactose, maltose, etc.


  5. Hybridizationdiagnostic technique; denature and add a known fluoresced DNA. Don't have to know base structure.