1. synthesis reaction
2.reversible reaction
3. decomposition reaction
4. exchange reaction
As the ion channel opens and allows its movement in an energetical direction. Then it redistributes these ions in opposite direction back across the membrane.
The Na channel opens as the membrane is hyperpolarized. The averaged collective response of single channels resembles the time course of the macroscopic current. Macroscopic currents are blocked by Tetrodotoxin (TTX) but not microscopic currents.
Opening and closing of Na channels are concentration dependent. The function of ion channels inorganic ions (like Na, K, Ca or Cl) to rapidly diffuse their electrochemical gradients that is across the lipid bilayer.
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The difference is based mostly on density differences among rock materials.
PNS controls this response
The portion of the system that's outside the brain and medulla spinals. Abbreviated PNS. The nerves within the PNS connect the central system (CNS) to sensory organs, like the attention and ear, and to alternative organs of the body, muscles, blood vessels, and glands.
Papillary response could be a physiological response that varies the scale of the pupil, via the optic and cranial nerve.
C. violet is the answer red. both is right