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.
Find the OS X version and build number on your Mac. Every OS X update or upgrade has a version number and build number, which helps you to know whether OS X is up to date on your Mac. Check About this Mac. From the Apple ï£¿ menu, choose About This Mac. To see the build number, click the version number in About This Mac.