132
B. Giardina et al.
obtained for trout (V max NADH oxidaseicefish / V max NADH oxidasetrout == 2
and V max NADH CoQ reductaseicefish / V max NADH CoQ reductasetrout ==
3.5). On the whole, these results indicate that the biological activity of
mitochondria is a site of interesting functional and structural adaptations
which still remains a fruitful area of investigation.
>
c:
4.0
0
Chaenocephalus
aceratus
0
~
Oncorynchus mykiss
3.5
3.0
2.5 +----,--------,------.----0.0033
0.0034
0.0035
0.0036
11T
Fig. 1. Arrhenius plot ofNADH oxidase activity for liver mitochondria expressed in
terms of V max (nmol/min/mg protein)
>
c:
4
3
d
. .
,6
o
o
Chaenocephalus
aceratus
.. Oncorynchus mykiss
0.0032 0.0033 0.0034 0.0035 0.0036 0.0037 0.0038 °K- 1
11T
Fig. 2. Arrhenius plot of NADH coenzyme Q reductase activity for liver mitochondria
expressed in terms of V max (nmol/min • mg/protein- l )