Quantitative assays for pepsin, amylases, and lipases were made on whole-gut homogenates of seven species of anuran tadpoles, including two ontogenetic stages of Rana catesbeiana. Pepsin was not ...
A pepsin-like enzyme has been found in larvae of the stable fly. The activity is detectable in homogenates of whole larvae and in homogenates of isolated midguts, the latter of which possess a pH ...
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