Identify TWO molecules that are responsible for stem cells that all start out identical to form such very different types of cells.

Explanation:

The spatial organization of the cells that form a tissue is also central to the tissue's ... Stem cells typically have the capacity to mature into many different cell types. ... All these progeny cells have defined positions in the different organs

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.