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 10.7 Lion was the last OS version that supported running in either 32bit or 64 bit modes. If your Mac is running OS 10.8 Mountain Lion or newer, it is in 64 bit mode, because support for 32 bit Intel CPU architectures was dropped in 10.8.