// POL + TEMPLATE
ret.addReactant(cell, POL, 1, 1);
ret.addReactant(cell, TEMPLATE, 1, 1);
// ---> POL + TEMPLATE + Nt
ret.addProduct(cell, POL, (1 - alphaLtNt), tNt);
ret.addProduct(cell, POL, alphaLtNt, tPOLt);
ret.addProduct(cell, TEMPLATE, 1, polDelay);
ret.addProduct(cell, Nt, 1, tNt);
ret.addProduct(cell, POLt, alphaLtNt, tPOLt);