âChicago is not an island,â said David Spielfogel, senior adviser to Mr. Emanuel. âWeâre only as strong as the weakest gun law in surrounding states.â. A version of this article appears in print on January 30, 2013, on page A1 of the New York edition with the headline: Strict Chicago Gun Laws Canât Stem Fatal Shots.Weâre only as strong as the weakest gun law in surrounding states.â. A version of this article appears in print on January 30, 2013, on page A1 of the New York edition with the headline: Strict Chicago Gun Laws Canât Stem Fatal Shots.
The plastid (Greek: ÏÎ»Î±ÏÏÏÏ; plastÃ³s: formed, molded â plural plastids) is a major double-membrane organelle found in the cells of plants, algae, and some other eukaryotic organisms. Plastids were discovered and named by Ernst Haeckel, but A. F. W. Schimper was the first to grant them a clear definition. Plastids are the site of manufacture and storage of important chemical compounds used by the cell.
Video: Plastids: Definition, Structure, Types & Functions Plastids are found in plants and some algae. They are necessary for essential life processes, like photosynthesis and food storage.