This archival footage from the 1930s offers an in-depth exploration of plant and aquatic life cycles, focusing on the processes of reproduction and growth at a microscopic level. The film begins with ...

This is a preview. Log in through your library . Abstract Localization of phytochrome which mediates rhizoid differentiation in Spirogyra was investigated. The red-absorbing form of phytochrome (Pr) ...

DURING our work on barium sulphate in Spirogyra 1, clean cell-wall material was prepared, using methods applied earlier in isolations of cell-walls of fungi2. This induced us to pay some attention to ...