Edexcel IGCSE Biology 3 16b Dna Structure Questions
Use a given DNA strand to write its complementary sequence by pairing A with T and C with G.
- Syllabus
- First assessment 2019
- Course
- Biology 4BI1
Exam points
- Describe DNA as a double helix and complete a complementary strand using A–T and C–G base pairing.
Edexcel IGCSE Biology 3 16b Dna Structure Questions question 1
[Maximum number: 1]
The sequence of bases on one strand of a section of DNA is
TAC CGT AAT TAT
Which of these is the complementary sequence of DNA on the other strand of the double helix?
A
ATG GCA TTA ATA
B
AUG GCA UUA AUA
C
CGT TAC GGC CGC
D
CGU UAC GGC CGC
A
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