25. The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to ________.
(A) lignin
(B) cellulose
(C) secondary compounds
(D) sporopollenin
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統計: A(0), B(1), C(0), D(0), E(0) #3981196
統計: A(0), B(1), C(0), D(0), E(0) #3981196