This fundamental work presents two clinically relevant BMP4 mutations that contribute to vertebrate development. The convincing evidence supports that the site-specific cleavage at the BMP4 pro-domain ...

The guidance strategy of a cell varies with the chemotactic gradient: in steep gradients, cells produce pseudopodia directly up the gradient, but in weak gradients, pseudopodia are produced at ...

1. Pollen grains are stored in - (A) Liquid Nitrogen (B) Liquid Hydrogen (C) Liquid Helium (D) water 2. The embryo having 8-16 blastomeres is called - (A) Blastula (B) Gastrula ...