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Biochemistry - Chapter 12

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  • What is the name of the G-protein involved in night vision
    What is transducin
  • What ligand binds to a beta adrenergic receptor?
    Epinephrine/Adrenaline
  • What are the names of the domains that bind to phosphorylated tyrosine residues
    What are SH2 and PTb domains
  • What is the name of the short sequence of DNA within the promoter of a gene, that is able to bind to a specific hormone receptor complex and therefore regulate transcription
    Hormone Response Element (HRE's)
  • Name of the protein that binds four calcium ions and when bound to calcium modulates the activities of a variety of proteins
    What is calmodulin
  • Acetylcholine activates this type of receptor
    What is a ligand-gated ion channel
  • This dimeric receptor interacts with extracellular macromolecules and the cytoskeleton carrying signals in and out of the cell.
    Integrin
  • Growth Factor Receptors generally have this type of catalytic activity
    What is catalyzing the phosphorylation of tyrosine
  • This drug molecule is an estrogen antagonist and competes with estrogen binding to the estrogen receptor
    What is Tamoxifen
  • What sensory G-protein is similar to Gs
    What is Golf