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Question

Which of the following statements is/are CORRECT regarding transcription?
  1. Genetic information is copied from RNA to DNA.
  2. Both the DNA strands of the double helix serve as templates for transcription.
  3. Only a segment of the template strand gets copied at a time.
  4. Transcription takes place in the nucleus of the cell.


Solution

The correct option is D Transcription takes place in the nucleus of the cell.
Transcription is the conversion of DNA to mRNA, and takes place inside the nucleus of a cell. The entire DNA molecule does not get transcribed together; a segment of DNA is copied at a time. This chosen segment is known as the transcription unit. Of the two DNA strands of the double helix, only one serves as template for the synthesis of mRNA.

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