Nurturing Life Sciences
#Id: 1331
#Id: 1055
#Unit 5. Developmental Biology
AER of the fin bud changes into an apical ectodermal fold that promotes fin ray development.
#Id: 9157
#Unit 11. Evolution and Behavior
#Id: 3234
#Unit 4. Cell Communication and Cell Signaling
#Id: 1751
Cross-presentation
#Id: 2028
#Unit 8. Inheritance Biology
F (fertility) factor Episome of E. coli that controls conjugation and gene exchange between cells.