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Is gene transcription possible in the 11nm fiber?
a) Yes
b) No

User Guerino
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1 Answer

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Final answer:

Gene transcription is possible in the 11nm fiber since it is an open chromatin structure enabling transcription machinery to access the DNA. However, a eukaryotic promoter in front of a bacterial gene would not initiate transcription in bacteria because prokaryotes use different promoters than eukaryotes.

Step-by-step explanation:

The question pertains to whether gene transcription is possible in the 11nm fiber or not. In the context of chromatin structure, the 11nm fiber, also known as the beads-on-a-string form of chromatin, is an open and accessible state allowing for transcriptional machinery to access the DNA. Thus, the answer to whether gene transcription is possible in the 11nm fiber is most likely a) Yes, as the chromatin is in a state that allows for the transcription factors and RNA polymerase to bind and initiate transcription. However, it should be noted that additional factors such as specific gene promoter regions and regulatory elements can also influence transcription.

Regarding the visual connection questions, if a scientist splices a eukaryotic promoter in front of a bacterial gene and inserts the gene into a bacterial chromosome, the bacteria would typically not transcribe the gene. This is because c) No, prokaryotes use different promoters than eukaryotes. Prokaryotic transcription machinery is unable to recognize and bind to eukaryotic promoters, which are sequences in DNA that signal the start of transcription.

User Jtwalters
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