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Table 5.

Enzyme activities in selected tissues of young tegu lizards during the first annual cycle

Seasonal activity stateCSHOAD
IL muscle Autumn activity 1.51±0.13 1.36±0.10 
 Winter dormancy 1.29±0.12 0.67±0.04a,d 
 Arousal 1.54±0.17 1.01±0.12a,d 
 Spring activity 1.57±0.13 1.31±0.09 
Heart Autumn activity 29.65±4.60 12.11±0.26 
 Winter dormancy 23.04±1.11 7.19±0.43a,d 
 Arousal 28.90±1.17 8.73±0.52a,d 
 Spring activity 22.80±4.76 12.57±0.63 
Liver Autumn activity 6.53±0.67 6.67±0.47 
 Winter dormancy 6.87±1.07 18.95±3.10a,d 
 Arousal 5.36±0.36 17.27±1.58a,d 
 Spring activity 7.82±0.78 31.17±1.80a−c 
Brain Autumn activity 16.44±1.24 2.38±0.11 
 Winter dormancy 17.40±1.37 2.80±0.19 
 Arousal 17.80±0.58 2.44±0.07 
 Spring activity 16.93±1.16 2.71±0.19 
Seasonal activity stateCSHOAD
IL muscle Autumn activity 1.51±0.13 1.36±0.10 
 Winter dormancy 1.29±0.12 0.67±0.04a,d 
 Arousal 1.54±0.17 1.01±0.12a,d 
 Spring activity 1.57±0.13 1.31±0.09 
Heart Autumn activity 29.65±4.60 12.11±0.26 
 Winter dormancy 23.04±1.11 7.19±0.43a,d 
 Arousal 28.90±1.17 8.73±0.52a,d 
 Spring activity 22.80±4.76 12.57±0.63 
Liver Autumn activity 6.53±0.67 6.67±0.47 
 Winter dormancy 6.87±1.07 18.95±3.10a,d 
 Arousal 5.36±0.36 17.27±1.58a,d 
 Spring activity 7.82±0.78 31.17±1.80a−c 
Brain Autumn activity 16.44±1.24 2.38±0.11 
 Winter dormancy 17.40±1.37 2.80±0.19 
 Arousal 17.80±0.58 2.44±0.07 
 Spring activity 16.93±1.16 2.71±0.19 

`Autumn activity' corresponds to late autumn, and `arousal' to unfed,rehydrated animals in Table 1. Values are the mean ± 1 s.e.m. from six animals in U g−1 wet mass; a indicates significant differences from autumn activity; b from winter dormancy; c from arousal; d from spring activity (P<0.05). IL,iliofibularis, white portion.

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