複選題20. E. coli DNA polymerases IV and V are: (A) RNA-dependent DNA polymerases. (B) for restarting replication. (C) for priming replication. (D) error-prone polymerases. (E) All of these are correct.

複選題

20. E. coli DNA polymerases IV and V are:
(A) RNA-dependent DNA polymerases.
(B) for restarting replication.
(C) for priming replication.
(D) error-prone polymerases.
(E) All of these are correct.

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B1 · 2025/09/27

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題目解析本題主要考察的是大腸桿菌（E...

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複選題5. Which of the following statements about transposon are correct? (A) Transposon is a DNA sequence that can irreversibly change its position within a genome. (B) Transposition often results in duplication of the same genetic material. (C) The reverse transcription step of retrotransposon is catalyzed by a reverse transcriptase, which is often encoded by the transposon itself. (D) Dissociation elements (Ds) is an example of an autonomous transposon, and activator element (Ac) is an example of a non-autonomous transposon. Without Ds, Ac is not able to transpose. (E) Transposition of Ds was sometimes accompanied by major chromosomal rearrangements including deletions, duplications, inversions, reciprocal translocations.

複選題
20. E. coli DNA polymerases IV and V are:
(A) RNA-dependent DNA polymerases.
(B) for restarting replication.
(C) for priming replication.
(D) error-prone polymerases.
(E) All of these are correct.

詳解 (共 1 筆)

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