Open Question
Answer the following questions about the accompanying diagram.
Which end of the DNA is closest to A? <>
10. Transcription
Overview of Transcription
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
If a DNA sequence is upstream of where the gene is, where is these sequence?
A
Before the gene
B
After the gene
C
In the middle of an intron
D
At the start of the first exon
Verified step by step guidance1
Understand the concept of 'upstream' in genetics: In the context of DNA sequences, 'upstream' refers to the direction opposite to the direction of transcription. It is the region before the start of the gene.
Identify the location of the gene: Genes are transcribed from a start point, which is typically marked by a promoter region.
Recognize the role of upstream sequences: These sequences are often involved in the regulation of gene expression and are located before the promoter region of the gene.
Consider the options given: 'Before the gene', 'After the gene', 'In the middle of an intron', and 'At the start of the first exon'.
Determine the correct location: Since upstream sequences are located before the gene, the correct answer is 'Before the gene'.
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