Nurturing Life Sciences
#Id: 3490
#Id: 1253
#Unit 7. System Physiology – Animal
#Id: 2371
#Unit 5. Developmental Biology
In regenerating planaria, β-catenin is activated in the posterior-facing blastema, which generates a tail.
#Id: 5349
#Unit 10. Ecological Principles
#Id: 8917
#Unit 2. Cellular Organization
#Id: 441