We have determined the crystal structure of a four-way DNA junction by multiwavelength anomalous diffraction, and refined it to 2.16 Å resolution. The structure has two-fold symmetry, with ...
Farm structures are also known as farm buildings. They are built on a farm, especially on big farms, used for farming operations. A farmhouse is a structure that serves mainly as a home for families, ...
Two spiraling structures come together to create the Solomon R. Guggenheim Museum, Frank Lloyd Wright’s midcentury masterpiece on Manhattan’s Upper East Side. Wright chose the circular shape ...
A model showing how metallic bonds are formed - the first diagram shows the outer electrons in their atoms, and the second diagram shows that the electrons have become delocalised ...
National Institute on Advanced Eco-Efficient Cement-Based Technologies, Escola Politécnica, University of São Paulo, São Paulo, São Paulo 05508-900, Brazil Department of Civil Engineering, Maua ...