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Consider the function and design of gates ion channels va ER translocator channels -describe three features...

Consider the function and design of gates ion channels va ER translocator channels

-describe three features that are similar between the two
-describe three features in which they differ
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Answer #1

Similarities

  • Both are transmembrane proteins
  • both transport substances across the membrane
  • Both contain alpha and Beta Subunits
  • Both function or transport on receipt of a signal

Differences

  • Ion channels transport ion while ER translocator transports proteins
  • While an ion channel opens upon binding of the metal to side chains, ER translocator opens upon binding of Signal recognition particle to the alpha subunit
  • Ion channels allow facilitated transport while ER translocator requires energy (GTP in mammalian cells ATP in yeast cells)
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