this linear galactan is created by purifying agar, when it is heated and cooled, it forms a gel that is used as a support for many types of electrophoresis and immunodiffusion (agarbiose). A typical g, a polysaccharide obtained from agar that is used esp. as a supporting medium in chromatography., agarvetikas esinev, mh. kromatograafias ja elektrofreesil kasutatav galaktoosi sisaldav neutraalne polüsahhariidifraktsioon