Phosphorus is most abundantly seen in the body as a constituent of the molecule phosphate, one of the bone salts which add structural rigidity to the softer protein matrix of bone and teeth. Perhaps phosphorusâ most important metabolic role is as a constituent of the molecule phosphate.
Structural mobility refers to change in society that allows large numbers of people to move up or down the class ladder. Structural mobility has also taken place between my grandmother, my mother, and me. My mother moved up the social class ladder because she was more successful than her mother.
Learn about a wide range of interesting engineering jobs. Find out what they involve and what makes them different from each other. Structural Engineering. Usually regarded as part of civil engineering, structural engineering involves the design of buildings, large structures and other things that rely on the importance of structural integrity. Structural engineers must pay particular attention to safety because of the huge loads involved.