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2. What do tight junctions do?

  • link adjacent epithelial cells, restrict protein migration, prevent substances moving through intercellular space
  • link adjacent muscle cells, restrict protein migration, prevent substances moving through intercellular space
  • link adjacent muscle cells, restrict protein synthesis, prevent substances moving through intercellular space
  • link adjacent endothelium cells, restrict protein migration, prevent protein synthesis

3. What do transmembrane proteins do?

  • span the entire length of membrane
  • have a channel to allow proteins through
  • span half the length of membrane
  • carry receptor molecules

4. What is pinocytosis?

  • cellular death
  • cellular drinking
  • cellular synthesis
  • cellular eating

5. What do gap junctions do?

  • facilitate replication of cells, made up of connexins
  • facilitate replication of cells, made up of connexons
  • facilitate communication between cells, made up of connexons
  • facilitate communication between cells, made up of connexins

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