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A2.1.6—RNA as presumed first genetic material Topic Practice

A2.1.6—RNA as presumed first genetic material Topic Practice
IB Biology syllabusBiology SL/HLFirst assessment 2025

Practise explaining why RNA is linked to early life by using its ability to store information, self-replicate and act catalytically.

How this is tested

  • describe RNA structure and evidence for its early role in storing information
  • explain how self-replication and catalytic activity could benefit protobionts
  • outline why ribozymes support RNA having roles beyond genetic storage
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