Energetics of Protoplasmic Streaming
Just as in the contraction of muscle, movement of amoeba, cilia etc., protoplasmic streaming is an energy-consuming phenomenon. It is an indispensable condition for the streaming that the chemical energy, that is liberated through metabolism, is changed into mechanical energy. Generally, the energy of a substrate is transferred by way of respiration or fermentation to the phosphate bond of adenosine triphosphate (ATP) which is the energy donator for most of the energy-consuming physiological activities. The physiological meaning of respiration or fermentation lies therefore in no other than the production of ATP. For the time being, however, we shall consider how the protoplasmic streaming is dependent upon respiration and fermentation.
KeywordsMotive Force Slime Mould Physarum Polycephalum Phosphate Bond Protoplasmic Streaming
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