CAIE A-Level Biology AS 6.2.4 Dna Strands in Transcription Questions
Explain how the template strand determines RNA sequence during transcription, using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- AS
Exam points
- Explain which DNA strand is transcribed and how the template determines the RNA sequence.
CAIE A-Level Biology AS 6.2.4 Dna Strands in Transcription Questions question 1
[Maximum number: 1]
A molecule of mRNA was used in translation. Part of its sequence is shown.
GAU CUG UAA CGG
There were no introns present in the section of DNA that was transcribed to make this mRNA.
What is the sequence of the non-transcribed DNA strand for this section?
A
CTA GAC ATT GCC
B
CUA GAC AUU GCC
C
GAT CTG TAA CGG
D
GAU CUG UAA CGG
C
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