. Biochemistry of plants and animals, an introduction. Biochemistry. PROTEIN METABOLISM 473 phosphate. After this process the nucleosides seem to be absorbed and transported to the liver, spleen, bone marrow, and kidneys, where a portion may be further split by nucleosidases to purines, pyrim- idines, and ribose or deoxyribose. The pentoses thus become available to the systems of carbohydrate metabolism. The nucleases, nucleoti- dases, phosphatases, and nucleosidases concerned are poorly charac- terized but are probably mixtures of enzymes, each individually specific but together capable of hy
. Biochemistry of plants and animals, an introduction. Biochemistry. PROTEIN METABOLISM 473 phosphate. After this process the nucleosides seem to be absorbed and transported to the liver, spleen, bone marrow, and kidneys, where a portion may be further split by nucleosidases to purines, pyrim- idines, and ribose or deoxyribose. The pentoses thus become available to the systems of carbohydrate metabolism. The nucleases, nucleoti- dases, phosphatases, and nucleosidases concerned are poorly charac- terized but are probably mixtures of enzymes, each individually specific but together capable of hydrolyzing the naturally occurring materials. The purines and pyrimidines not used for synthetic purposes un-. allantoin Figure 20-4. Tlie calaliolism of adenine and 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 Mallette, M. Frank (Manney Frank), 1917-. New York, Wiley
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