38 
by extraction and pulverisation, is made into a homogeneous mixture 
or solution, nearly all synthetic power of the enzyme disappears. 
As is well known, in order to extract say glucosides from plants, 
it is necessary first to destroy the enzymes by boiling the seeds or 
the leaves, before the cells are broken up for extraction. The gluco- 
side and its enzyme are, as demonstrated already by Guienarp, 
located in different adjoining cells. The hypothesis that enzymes 
display their synthetic effect only at a certain distance, affords at 
once an explanation of these facts. Through the cellwalls the radiation 
Figure 10. 
0.9 
0.8 
0.7 
0.6 9 
0.5 ° 
0.4 
0.3 
0.2 
0.1 
SES ERE EY Sj EE fi hs 8 en ee BPN. 
20 40 60 80 100 120 140 
minutes. 
