Question

. Which of the following ion channels are always electrosensitive?

  1. stress-activated channels
  2. ligand-gated channels with extracellular ligands
  3. voltage-gated channels
  4. ligand-gated channels with intracellular ligands
  5. all of the above

 The movement of hydrogen ions and sucrose molecules in the same direction across the plant cell membrane, at the same time, using the hydrogen ion gradient as an energy source, is an example of:

  1. antiport movement
  2. symport movement
  3. uniport movement
  4. all of the above
  5. none of the above

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Biology

Biochemistry

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