複選題
23. In bacterial cell walls
(A) polysaccharides form nonspecific mixtures with proteins
(B) polysaccharides are hydrogen bonded together
(C) peptides form crosslinks between polysaccharides
(D) oligosaccharides form crosslinks between proteins

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統計: A(0), B(0), C(1), D(0), E(0) #2773373