45. Which of the following traits do archaeans and bacteria share?
 1. composition of the cell wall
2. presence of plasma membrane
3. lack of a nuclear envelope
4. identical rRNA sequences
(A) 1 and 2
(B) 1 and 3
(C) 1 and 4
(D) 2 and 3
(E) 2 and 4

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統計: A(1), B(3), C(0), D(16), E(1) #3205110

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