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5 Written questions

5 Matching questions

  1. NAG
  2. Carbohydrates
  3. NAM
  4. Fatty Acid
  5. Organelles
  1. a long hydrocarbon chain ending in a carboxyl group -COOH
  2. b general formula (CH2O)n; subunits linked by glycosidic bonds; poly hydroxy aldehydes or ketones and their derivatives; functions- structural support, nutrient and energy.
  3. c N-acetyl neuraminic acid; important sugar acids in bacterial cell walls.
  4. d N-acetyl muramic acid; important sugar acids in bacterial cell walls
  5. e nucleus, mitochondria, golgi bodies, chloroplasts

5 Multiple choice questions

  1. Mostly single stranded; uracil in place of thymidine; mRNA; rRNA, tRNA
  2. DNA and RNA; Basic Unit- nucleotide; Building Blocks- a cyclic pentose sugar; phosphate; nitrogenous base. DNA lacks a hydroxyl group making it more flexible.
  3. pyruvate, citrate, malate, etc.
  4. End-product allosterically inhibits the action of first enzyme in pathway. prevents cell from wasting resources.
  5. temperature- denature and breaks H bonds; pH; substrate concentration; inhibitors (antibiotics) inhibit enzymatic functions

5 True/False questions

  1. MacromoleculesUsually polymers; usually dehydration synthesis also called condensation rxn.


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


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


  4. precursors from the environmentCO2, H2O, NH3, N2, etc.


  5. Saturatedall hydrocarbons have CH2 units (bad for health); animals


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