Plant fibers usually consist of structural carbohydrates such as cellulose in cell walls. Composed of repeating glucose units in long, single strands, cellulose cannot be digested by enzymes in the human intestine. Other plant fiber components include hemicellulose and pectin.
Mac System Software. Mac OS was named by the company Apple as Mac System Software in the beginning, a specially designed operating system only for 68K first Motorola processors. With own Macintosh hardware, Mac OS takes up a special role in the world of desktop systems. The first version was System 1 and appeared bundled with the Mac in 1984.
Mac OS = could mean just Mac OS 9, or 1 through 8 and no Mac OS X. Mac OS X = could just mean 10.0, or it could mean all PowerPC Macs running 10.0, or all versions of Mac OS X. Mac OS X PPC = means G3, G4, and G5s may support it with 10.0 through 10.5.8, but no certainty exists which ones.