IB Biology SL A1.2.2 DNA Nucleotide Structure Question Bank
Practise IB Biology SL A1.2.2 by identifying deoxyribose, phosphate and bases in DNA nucleotides and applying base-count data.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Label deoxyribose, phosphate and nitrogenous bases in a DNA nucleotide.
- Use nucleotide composition and base counts to interpret DNA structure.
A1.2.2—Components of a nucleotide question 1
The diagram below represents a DNA nucleotide.
Identify the phosphate group and deoxyribose.
Phosphate group:
Deoxyribose:
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