CH2OH CH2OH CH2OH CH2OH 0 -0 -0 0 0- OH H OH H OH H OH H (1+4) 1→4) B(1→4) OH OH OH OH Repeating disaccharide in cellulose (B-cellobiose) Cellulose CH2OH CH2OH -0 H -0 OH H >0 OH 0 Starch a(1*4) H OH H Glucose Glucose