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Multiple Choice
Which device best represents the function of the transcription stage in a cell?
A
A shredder destroying a document
B
A scanner converting a document to a digital image
C
A printer producing a hard copy from a computer file
D
A photocopier making a copy of a document
Verified step by step guidance
1
Understand the concept of transcription: Transcription is the process in which the genetic information encoded in DNA is copied into a complementary RNA molecule. This occurs in the nucleus of eukaryotic cells and is facilitated by the enzyme RNA polymerase.
Compare the analogy options to the transcription process: Each device represents a different action, and we need to identify which one aligns with the copying of genetic information from DNA to RNA.
Analyze the shredder analogy: A shredder destroys a document, which does not align with transcription since transcription does not destroy DNA but rather uses it as a template.
Analyze the scanner analogy: A scanner converts a document into a digital image, which involves a transformation of format. While transcription involves copying information, it does not involve converting DNA into a completely different format like a digital image.
Analyze the photocopier analogy: A photocopier makes a copy of a document, which is the most accurate representation of transcription. In transcription, the DNA sequence is copied into RNA, similar to how a photocopier creates a duplicate of a document without altering the original.