The living cell almost always contains, locked in its interior, the visible or invisible products of its physiological activity or its nourishment. Albrecht Kossel activitycellinterior Change image and share on social
The more the relationships of the nitrogen-rich substances to the cell nucleus were recognized, the more the question of the arrangement of the nitrogen and carbon atoms in the molecule came to stand out. Albrecht Kossel arrangementatomcarbon share on social
