試題詳解

12. Which of the following statements accurately describes the lysogenic cycle of lambda (λ) phage?
(A) The viral genes immediately turn the host cell into a lambda-producing factory. Then the host lyses.
(B) The product of one prophage gene is made and it activates most of the other prophage genes.
(C) The phage genome is integrated into the host chromosome where it is passed on to daughter cells through binary fission.
(D) The phage DNA is copied and accumulates in the cytoplasm. Then a trigger causes capsid proteins to be made and phages are assembled.