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5 Written questions

5 Matching questions

  1. Macromolecules
  2. metabolic intermediates
  3. Topoisomerases
  4. NAM
  5. Organelles
  1. a N-acetyl muramic acid; important sugar acids in bacterial cell walls
  2. b alters the topology of DNA molecules.
  3. c m. wt. 10^3- 10^9; nucleic acids, proteins, lipids, polysaccharides. 4 most important to study.
  4. d nucleus, mitochondria, golgi bodies, chloroplasts
  5. e pyruvate, citrate, malate, etc.

5 Multiple choice questions

  1. long hydrocarbon chain ending in a carboxyl group -COOH
  2. diagnostic technique; denature and add a known fluoresced DNA. Don't have to know base structure.
  3. End-product allosterically inhibits the action of first enzyme in pathway. prevents cell from wasting resources.
  4. can be done with RNA or ssDNA
  5. an aggregation of two or more individual polypeptide chains; polymerase- polymeric heteromeric; hemoglobin- homomeric 4 subunits.

5 True/False questions

  1. Simple LipidsFats or triglycerides= glycerol plus one or more fatty acids.


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


  3. Unsaturatedall hydrocarbons have CH2 units (bad for health); animals


  4. Conjugated Proteinscontains only amino acids


  5. Ketoseglucose and glucose; glucose is a bad sugar