LET’S TRY ONE
In the model described here, a DNA segment is transcribed into RNA, then RNA is translated into a protein. Which intermediate carries the copied information?
RNA
The stated pathway places RNA between DNA and protein.
Learning steps & teaching tips
Use a supplied DNA-to-RNA-to-protein model and a small codon table without claiming that every DNA change changes a protein.
- Distinguish the DNA information store, RNA copy and protein product in the stated model.
- Read the supplied codon-to-amino-acid mapping.
- Compare outcomes before deciding whether a sequence change changes the protein.
Try it together
Make a tiny invented codon table. Change one RNA triplet and show one case that changes an amino acid and one that does not.
Follow the supplied information pathway and codon table; do not infer an amino acid that the table does not give.