STUDIES ON THE ANAEROBIC METABOLISM AND THE AEROBIC CARBOHYDRATE CONSUMPTION OF SOME FRESH WATER SNAILS

摘要: 1. Lymnaeidae and Physidae tolerated complete lack of oxygen less well than Planorbidae or operculates belonging to different families.2. All species consumed carbohydrate under anaerobic conditions produced carbon dioxide lactic acid. While in several the acid was sufficient account for all a large part as liberated from bicarbonate, this not case other species.3. The metabolic level measured by production consumption resistant was, on an average, lower that nonresistant ones. former did accumulate within their tissues during period, while latter so marked degree.4. In most only slightly higher aerobic rate. One reasons may be probable occurrence fermentations these species.5. Lactic quantitatively major end product...