[Illustration: Figure 12.--PAN FOR DIPPING MATCHSTICKS into phosphorus paste, about 1870. The letters on the picture are: A, matches; B, water bath; C, frame; D, plate; E, phosphorus paste; F, oven. The phosphorus paste of Böttger, 1842, contained 10 phosphorus, 25 antimony sulfide, 12.5 manganese dioxide, 15 gelatin. According to Figuier (page 579), R. Wagner substituted lead dioxide for the manganese dioxide. (From FIGUIER, volume 3, 1874, page 576.)] ALCOHOLIC FERMENTATION (C_{6}H_{10}O_{5})_{_n_} C_{6}H_{12}O_{6} C_{6}H_{12}O_{6} glycogen glucose fructose ^| ^| ^| || H_{3}PO_{4} || <-- ATP || <--ATP |v |v |v ---------------+ ------+ H--C--OPO_{3}H_{2}| H--C--OH | H _{2}C--OH | | | | | H--C--OH | H--C--OH | C--(OH)--+ | | | | | | HO--C--H O <==> HO--C--H O <=======> HO--C--H | | | | | | O H--C--OH | H--C--OH | H--C--OH | | | | | | | H--C--------------+ H--C-----+ H--C--------+ | | | CH_{2}OH H_{2}C--OPO_{3}H_{2}+ADP H_{2}C--OPO_{3}H_{2}+ADP