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#Question id: 15177


Several mechanisms in alkalophiles for the maintenance of a neutral cytoplasmic pH have been proposed. The plasma membrane may be

#XL - S Microbiology
  1. Relatively impermeable to protons 
  2. Exchange potassium for protons using an antiport transport system
  3. Exchanging internal sodium ions for external protons
  4. All

Answer:- Option(s): 3


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