Learning objective
A1.2.5—RNA as a polymer
RNA is a usually single-stranded polynucleotide containing ribose and uracil, with different RNA forms supporting protein synthesis in cells in IB Biology exam contexts.
- Syllabus
- First assessment 2025
- Objective
- A1.2.5
- Level
- SL
Concept essentials
- RNA as a polymer should be described using precise molecular vocabulary.
- Structure and information must be kept separate: backbones provide continuity while bases carry sequence meaning.
- Exam answers should match the command term and avoid adding unsupported extra claims.