Seeds reptiles

AMP aminohydrolase, an enzyme relatively specific for AMP, has been observed in reptiles (44), erythrocytes (38), snail (45), unfertilized fish eggs (46), invertebrates (47), a variety of mammalian tissues (20), and a particulate fraction of pea seeds (48). Evidence suggests that the frog muscle AMP aminohydrolase is located within or just beneath the sarcolemma (49). The rabbit skeletal and heart muscle enzymes were found in the cytoplasm and mitochondria (20, Jfi, 50, 51), while the enzyme of kidneys and gills of freshwater fish was located in the cytoplasmic fraction (52). The enzyme occurs in most areas of the rat (53) and rabbit brain (54). The nonspecific enzyme from several microbial sources deaminates adenosine triphosphate (ATP) and adenosine diphosphate (ADP) as well as AMP (see Section V). 

For approximately 65 million years, the only true herbivorous vertebrates have been the mammals. The Mesozoic reptiles disappeared following the mesophytic flora. Birds, though a few species feed on seeds and berries, seldom eat leaves (except geese and grouse), and they frequently use insects, in addition to plant parts, as a food source (18). 

While most insects which feed on plants are monophagous or oligopha-gous, i.e., they feed only on one or a few species of plants, the vertebrates are usually polyphagous. There are, of course, some exceptions, such as the Australian koala, but the majority of herbivorous mammals feed on a broad spectrum of plants. For 65 million years, the only truly herbivorous vertebrates have been the mammals. The Mesozoic reptiles disappeared following the mesophytic flora. Birds, while they feed on seeds and berries, seldom do so on leaves, and they frequently use insects, in addition to plant parts, as a food source (Emlen, 1971). While a single plant can be a host for hundreds of insect larvae, hundreds of plants comprise a daily menu for a... 

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