. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ISO MUSTELUS SPIRAL VALVE. -200 200 500 1000 -400 -200 -I (MOLAR) 200 500 1000 I/S FIGURE 4. A kinetic comparison of the uptake of three amino acids by Calliobothrhun and Mustclus spiral valve tissue. and certain bacteria (Cohen and Monod, 1957). It appears to be a very general phenomenon, perhaps as general as the distribution of special membrane mecha- nisms for amino acid entry. It seems unfortunate that some of the bacterial physiologists have chosen to refer to such entry systems as "permeases," a term implyin
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ISO MUSTELUS SPIRAL VALVE. -200 200 500 1000 -400 -200 -I (MOLAR) 200 500 1000 I/S FIGURE 4. A kinetic comparison of the uptake of three amino acids by Calliobothrhun and Mustclus spiral valve tissue. and certain bacteria (Cohen and Monod, 1957). It appears to be a very general phenomenon, perhaps as general as the distribution of special membrane mecha- nisms for amino acid entry. It seems unfortunate that some of the bacterial physiologists have chosen to refer to such entry systems as "permeases," a term implying that there is an entry enzyme. It is to be hoped that a term with such specific connotations is not widely adopted until considerably more understanding of mechanism is attained. There are definite differences in the amino acid entry systems of Calliobotliriinn and the dogfish intestinal tissue. In Figure 4 the worm and host tissue are compared with regard to their affinities for three amino acids. Several years ago the senior author reviewed the literature on the physiology of the small intestine with special reference to its peculiarities as a habitat (Read,. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
