You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
In the experiment below, activin containing beads were placed in the<br />
middle of animal cap cells isolated from a blastula stage embryo.<br />
3.21<br />
Candidate molecule: activin (a TGFβ family ligand)<br />
Brachyury and goosecoid are transcription factors activated by activin