I. NAGAI : 

 B. 



D. 



Tlie figiu'es iu tliu tliird column nio the vulues of the velocity constsint 



Tliev show that the rate 



calculated as uuimolecular reaction, /.-== — log. — - 



fi — X 



of decompositiou in A \\as very slow owing to the relative high concentration 

 of anthocj-anin and the -^aluo of h increased us the retiction advanced. In B, 

 a similar tendency was observed but in D, the value of /.■ rapidly deci-eased 

 as the reaction advanced. Since the strength of the enzyme was the same in 

 .ill cases, the dillbrent ^•tdues obtained indicate that the mode ol action of 

 Ijeroxidase chlTered l)y the relation of the initial concenti'atiou of the enzyme 

 to the suljstivite. 



If the values of a—x in A are plotted iigains!; time, ilwy sliow nearly a 



