For each gene, _____.Group of answer choicesboth of the two DNA strands are transcribedonly one of the two DNA strands is transcribedNext
Question
For each gene, _____.
Group of answer choices
- both of the two DNA strands are transcribed
- only one of the two DNA strands is transcribed
Next
Solution
In the context of gene expression and transcription, the correct statement would be that "only one of the two DNA strands is transcribed."
Explanation:
- Gene Structure: Each gene is located on a specific DNA strand, which is known as the template strand. The other strand, known as the coding strand, has the same sequence as the RNA transcript (except that in RNA, uracil (U) replaces thymine (T)).
- Transcription Process: During transcription, RNA polymerase binds to the promoter region of the gene and synthesizes RNA by adding ribonucleotides complementary to the template strand of DNA. This means that only the nucleotide sequence from one of the two DNA strands (the template strand) is used to produce the RNA transcript.
- Outcome: The result is a single strand of RNA that corresponds to the coding sequence of that gene, which is used in various cellular processes including translation.
Thus, for each gene, only one of the two DNA strands is transcribed.
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