the marked stem cells that produced the white sectors in Figure 3 gave rise to all the different cell types that make up a leaf). Do similar mechanisms operate in plant and animal stem cells to ...
Anna: There are lots of different types of plants, and even though they're all different, there are lots of parts that are the same. Lots of plants have roots, stems, leaves, and flowers.
当前正在显示可能无法访问的结果。
隐藏无法访问的结果