19. The ORC in S. cerevisiae: (A) stands for "origin replicon complex." (B) is associated with ARS elements throughout the cell cycle. (C) is a complex of eight proteins. (D) is similar to RNA-binding complexes in multicellular eukaryotes. (E) All of these are correct.

19. The ORC in S. cerevisiae:
(A) stands for "origin replicon complex."
(B) is associated with ARS elements throughout the cell cycle.
(C) is a complex of eight proteins.
(D) is similar to RNA-binding complexes in multicellular eukaryotes.
(E) All of these are correct.

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B1 · 2025/09/27

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題目解析這道題目考察的是酵母菌（S....

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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.

19. The ORC in S. cerevisiae:
(A) stands for "origin replicon complex."
(B) is associated with ARS elements throughout the cell cycle.
(C) is a complex of eight proteins.
(D) is similar to RNA-binding complexes in multicellular eukaryotes.
(E) All of these are correct.

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