<prompt> Chitin held together bya 1 - 4 glycosidic bonda 1 - 6 glycosidic bondsb 1 - 4 glycosidic bondb 1 - 6 glycosidic bonds  <response>: P 1-4 gluycosidic bonds 22-US 3rdCHITIN - is composed of N-acetyl-D-glucosamine units held together by p 1 - 4 glycosidic-bondsStarch Amylose - a 1-4 glycosidic linkage Amylopectin - a l- 6 glycosidic bonds at the branching points and a l- 4 linkages Amylase - acts specifically on a 1-4 glycosidic bondsGlycogen - Glucose is the repeating unit in glycogen joined together by a 1-4 glycosidic bonds and a 1-6 glycosidic bonds at branching points.Cellulose - composed of b-D-glucose units linked by b 1- 4 glycosidic bondsIn isomaltose, the glucose units are held together by a 1- 6 glycosidic linkage 