21s
National Institutes of Health
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In March 1996, representatives from several Peruvian cities, grassroots organizations and NGOs, together with scientists and…
The biochemical properties of 21S dynein derived from sea urchin sperm flagella and of its components dissociated by low salt…
FOLLOWING an appeal for a comprehensive survey of Africa and its problems made by General Smuts in his Rhodes Memorial Lecture in…
The two elementary effectors, cilia and muscles, are found throughout almost the whole range of the animal kingdom. In such…
In 1927 we gave a brief account (Lang and Cookson, 1927) of the plant-remains that had been found in rocks regarded by the…
Psilophyton princeps , though still incompletely known, is one of the most important Early Devonian plants, both on account of…