Cell Signaling and Cytoskeleton Quiz
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Questions and Answers

What kind of experiments are required to figure out how cell signaling pathways work?

  • Experiments to determine the location of the cell signaling pathways
  • Experiments to determine the structure of the cell signaling pathways
  • Experiments to determine which proteins interact with a given receptor and which ligand activates a given receptor (correct)
  • Experiments to determine the size of the cell signaling pathways
  • What is the purpose of constructing a series of mutant receptors, each missing a different tyrosine from its cytoplasmic domain?

  • To determine the stability of the mutant receptors
  • To determine the size of the mutant receptors
  • To determine which phosphorylated tyrosine on a RTK is recognized by a certain intracellular signaling protein (correct)
  • To determine the color of the mutant receptors
  • What kind of questions can be answered by experiments in untangling cell signaling pathways?

  • Which proteins interact with a given receptor and what role does a particular protein play in a signaling pathway (correct)
  • Which proteins interact with a given ligand and what role does a particular ligand play in a signaling pathway
  • Which ligand activates a given receptor and which receptor is activated by a given ligand
  • Which ligand activates a given protein and which protein is activated by a given ligand
  • What is required to figure out which parts of the proteins are necessary for interaction?

    <p>Making mutants by constructing a series of mutant proteins</p> Signup and view all the answers

    What kind of mutants can help in determining which phosphorylated tyrosine on a RTK is recognized by a certain intracellular signaling protein?

    <p>Mutant receptors, each missing a different tyrosine from its cytoplasmic domain</p> Signup and view all the answers

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