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5 Written questions

5 Matching questions

  1. metabolic intermediates
  2. Oligosaccharides
  3. Ribosomes
  4. Feedback Inhibition
  5. Supra Molecular Assemblies
  1. a most important are disaccharides; covalent linkages of two monosaccharides with the release of H2O (glycosidic bond). i.e. sucrose, lactose, maltose, etc.
  2. b pyruvate, citrate, malate, etc.
  3. c End-product allosterically inhibits the action of first enzyme in pathway. prevents cell from wasting resources.
  4. d m. wt. = 10^6-10^9; ribosomes, enzyme complexes, contractile systems, microtubules.
  5. e proteins and RNA

5 Multiple choice questions

  1. can be done with RNA or ssDNA
  2. Usually polymers; usually dehydration synthesis also called condensation rxn.
  3. m. wt. 10^3- 10^9; nucleic acids, proteins, lipids, polysaccharides. 4 most important to study.
  4. antiparallel orientation of complimentary strands; DNA is supercoiled in the cells; denaturation and renaturation. ssDNA absorbs more light. RNA can compete with ssDNA hybridization.
  5. diagnostic technique; denature and add a known fluoresced DNA. Don't have to know base structure.

5 True/False questions

  1. Lipidsglucose and galactose


  2. RNAMostly single stranded; uracil in place of thymidine; mRNA; rRNA, tRNA


  3. Maltoseglucose and galactose


  4. Ketoseglucose and galactose


  5. SecondaryThe 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.