Which of the following statements concerning transcription is true?

A. All types of RNA in the cell are synthesized by transcription, which uses a portion of DNA as a template for copying.

B. Promoter sequences signal the end of a gene and mark the place where transcription stops.

C. During transcription, entire chromosomes are copied because the starting position of genes is unknown.

D. Transcription is the process whereby identical copies of DNA are made in preparation for cell division.

Question

Biology

Bryson

24 February, 15:16

Which of the following statements concerning transcription is true?

A. All types of RNA in the cell are synthesized by transcription, which uses a portion of DNA as a template for copying.

B. Promoter sequences signal the end of a gene and mark the place where transcription stops.

C. During transcription, entire chromosomes are copied because the starting position of genes is unknown.

D. Transcription is the process whereby identical copies of DNA are made in preparation for cell division.

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Answers (1)

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Quincy Rowe · Answer 1

Answer: Option A) All types of RNA in the cell are synthesized by transcription, which uses a portion of DNA as a template for copying.

Explanation:

All types of RNA:

- viral RNA,

- ribosomal RNA,

- transfer RNA,

- messenger RNA and

- double-stranded RNA, have a sequence that is the same as 'antisense' strand of the DNA.

Thus, it is true that all types of RNA in the cell are synthesized by transcription, which uses a portion of DNA as a template for copying.