..., respectively. * Author for correspondence 09 02 1995 ©The Company of Biologists Limited 1995 insect flight energy metabolism proline oxidation enzyme activities mitochondrial respiratory rates metabolite changes blister beetle Decapotoma lunata Many insects have...

... just after hatching and the levels of activity increased markedly to day 93. Carbamoyl phosphate synthetase (CPSase) and ornithine transcarbamylase (OTCase) were first detected in 40-day-old embryos; activities peaked between days 53 and 71 and then subsequently decreased. Adult liver enzyme activity...

... of protons and/or high tissue buffering capacity. Second, although the functioning of the pentose phosphate pathway has been strongly inferred from measurements of enzyme activities ( Boström et al . 1972 ; Pelster and Scheid, 1991 ), and from measurements of enhanced rates of CO 2 excretion relative...

... advantageous for creating the high gas partial pressures needed for filling the swimbladder at great depth. 14 9 1990 © 1991 by Company of Biologists 1991 enzyme activities energy metabolism swimbladder pentose phosphate shunt Anguilla anguilla The high oxygen partial...

...D. Pette ABSTRACT Mammalian skeletal muscle is an extremely heterogeneous tissue. Its diversity results from a spectrum of fibres which are metabolically suited to a wide range of functional demands. As judged from enzyme activity analyses of single fibres, the metabolic properties of fibres...