Biology

10thgrade

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Cell to Cell Communication

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  • 1. Multiple Choice
    30 seconds
    1 pt
    The three stages of cell signalling are
    paracrine, local, and synaptic
    reception, transduction, and response
    transcription, translation, and folding
    alpha, beta, and gamma
  • 2. Multiple Choice
    30 seconds
    1 pt
    Each of the following numbered processes are involved in signal transduction pathways:  
     I.  Response
     
    II.  Amplification
     
     III.  Reception
     
    IV.  Transduction
    Which of the following represents the sequence of events in a typical signal transduction pathway?
    I, II, III, IV
    III, I, IV, II
    II, IV, I, III
    III, IV, II, I
  • 3. Multiple Choice
    30 seconds
    1 pt
    Image
    G proteins are a family of proteins involved in transmitting chemical signals originating from outside a cell into the inside of the cell. G proteins function as molecular switches.
    Which of the following best describes the role in which the G protein is most intimately involved in the process shown above?
    Production of the ligand molecule.
    Reception of the signal.
    Transduction of the signal.
    Production of response to signal.
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