複選題31. Point mutations in the DNA sequence can cause: (A) silent mutation (B) missense mutation (C) nonsense mutation (D) frameshift mutations (E) none of the above

複選題

31. Point mutations in the DNA sequence can cause:
(A) silent mutation
(B) missense mutation
(C) nonsense mutation
(D) frameshift mutations
(E) none of the above

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複選題37. Which of the following is/are FALSE about the E. coli Lac operon? (A) Transcription produces a single polycistronic mRNA containing the lacZ, lacY, and lacA genes. (B) The lacl gene is controlled from the same promoter as the lacZ gene. (C) The Lac repressor protein is constitutively expressed. (D) The operator region regulates transcription through interaction with the Lac repressor protein. (E) The amount of glucose in the growth medium does not affect the level of gene expression activated by lactose.

複選題
31. Point mutations in the DNA sequence can cause:
(A) silent mutation
(B) missense mutation
(C) nonsense mutation
(D) frameshift mutations
(E) none of the above

詳解 (共 1 筆)

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複選題31. Point mutations in the DNA sequence can cause:(A) silent mutation(B) missense mutation(C) nonsense mutation(D) frameshift mutations(E) none of the above

詳解 (共 1 筆)

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複選題
31. Point mutations in the DNA sequence can cause:
(A) silent mutation
(B) missense mutation
(C) nonsense mutation
(D) frameshift mutations
(E) none of the above