Metabolic and physical control of cell elongation rate: in vivo studies in nitella.


Several levels of control of elongation rate are revealed through the detailed study of responses of the Nitella internode to abrupt shifts in turgor. The immediate response, which apparently reflects the physical state of the cell, is approximately described by the equation r = (P - Y)m where r is rate, P is pressure, Y is the wall's yielding threshold… (More)


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