What may be the molecular trigger that causes cells in the presomitic mesoderm to finally condense into somites? Which of the following extra-embryonic membranes becomes the embryonic portion of the structure involved in waste and nutrient exchange between the embr...
What is the order of cell layers in the gastrula starting from the inner layer? a. mesoderm, endoderm, ectoderm b. endoderm, ectoderm, mesoderm c. endoderm, mesoderm, ectoderm d. mesoderm, ectoderm, endoderm Which form of bacterial cells is rod-shaped? Wh...
Finally, in a grafting experiment designed to determine whether the somitic mesoderm controlsagoutiexpression and stripe position, the researchers transplanted somites and neural tubes from the right side of C. japonica onto the right side of P. colchicus. They used immunohistochemistry staining with Q...