Kangas joined Nightly Business Report in 1979; in 2003, his Stocks in the News segment earned a Financial Writers and Editors Award from the Medill School of Journalism at Northwestern University. In 2005, he won a Suncoast Chapter Silver Circle Award.
What Is a Malpighian Tubule? Malpighian tubules are organs within insects that excrete solid waste. Larvae of certain species of beetles use Malpighian tubules to produce silk.
centres. Microtubules are basic structures of spindle apparatus, centrioles, basal bodies, cilia and flagella and are responsible for cell motility and maintenance of shape. Their tips can grow and shorten quickly. GTP, Ca2+, Mg2+ and a calmodulin bound protein are required for assembly. Colchicine prevents it.