. Chemical embryology. Embryology. SECT. 9] PROTEIN METABOLISM 1073 O Total non-protei O " » " " (Nakamura) <5 Non-protein nitrogen precipibabie with phosphotungsbic acid (Nalomura)^ <^ Non-protein nitrogen not pre- cipitable with phosphotung- sbic acid(Nakar the absorption intensity for protein is falling rapidly and that for fatty substances is rising rapidly. On the other hand, it is known that the contents of the albumen-sac tend to be included in the yolk at the end of development, about the time of the opening of the sero-amniotic duct, and this may partly explain Ri
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