Biochemistry revision: Signalling

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1. _________ is the binding of the signal molecule changes the receptor protein in some way into a form that can bring about a cellular response

  • Transduction
  • Reception
  • Response
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2. A _____________ is a cell surface transmembrane receptor that works with the help of a G-protein, which binds to the energy rich GTP

  • G protein coupled receptor
  • Ligand gated receptor
  • Receptor tyrosine kinases

3. A nerve cell releases neurotransmitter molecules into a synapse, stimulating the target cell

  • Synaptic signalling (local)
  • Endocrine signalling (long distance)

4. RTK: The part of the receptor protein that extends into the _________ functions as a tyrosine kinase

  • Cytoplasm
  • Extracellular matrix

5. Generally, there are __ stages of cell signalling

  • 3
  • 30

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