. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY Vol. 124 which cannot may occur at a different locus in the metabolic chain than does the change which apparently distinguishes the hibernating hamster at 5°C from the hamster dwelling at a com- fortable 25 C. It must he confessed that these statements were made utilizing the peculiar prognostic powers obtained from a finished experiment. 500- e O 20< O u CO o a> 5o- X 20 10 3 i Ol <3. • Rot ^.Contro I hamster a Hibernating 20 6 hamstoi 38° Si" 1 24° 17° 10° 1
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY Vol. 124 which cannot may occur at a different locus in the metabolic chain than does the change which apparently distinguishes the hibernating hamster at 5°C from the hamster dwelling at a com- fortable 25 C. It must he confessed that these statements were made utilizing the peculiar prognostic powers obtained from a finished experiment. 500- e O 20< O u CO o a> 5o- X 20 10 3 i Ol <3. • Rot ^.Contro I hamster a Hibernating 20 6 hamstoi 38° Si" 1 24° 17° 10° 1 1 1 5° ?\ 1 32 33 II 34 35 I04 1 36 37 Fig. 7. Rate of esterifieation of inorganic phosphate by heart mito- chondria as a function of the reciprocal of the absolute temperature of incubation. Semilogarithmie plot. Each point represents the mean of 6 to 10 experiments. Pyruvate (malate) substrate. As part of the continuing effort to characterize and isolate those metabolic factors involved in hibernation, heart mitochon- dria of rats, control hamsters, and hibernating hamsters were. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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