Question: During transcription, which strand of DNA serves as the template?
Options:
Coding strand
Non-coding strand
Both strands
Neither strand
Correct Answer: Non-coding strand
Solution:
The non-coding strand of DNA serves as the template for RNA synthesis during transcription.
During transcription, which strand of DNA serves as the template?
Practice Questions
Q1
During transcription, which strand of DNA serves as the template?
Coding strand
Non-coding strand
Both strands
Neither strand
Questions & Step-by-Step Solutions
During transcription, which strand of DNA serves as the template?
Step 1: Understand that DNA has two strands: the coding strand and the non-coding strand.
Step 2: The coding strand is the one that has the same sequence as the RNA (except for thymine being replaced by uracil).
Step 3: The non-coding strand is the one that is used as a template during transcription.
Step 4: During transcription, RNA polymerase reads the non-coding strand to create a complementary RNA strand.
Step 5: Therefore, the non-coding strand of DNA serves as the template for RNA synthesis.
Transcription – The process by which RNA is synthesized from a DNA template.
Template Strand – The strand of DNA that is used as a guide for RNA synthesis, typically the non-coding strand.
Coding vs Non-Coding Strands – Understanding the difference between the coding strand (which has the same sequence as the RNA) and the non-coding strand (which serves as the template).
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