Thus plant stem cells depend on the function of other, neighboring, cells to continue behaving as stem cells, and therefore some sort of signal must be passed between cells to maintain stem cell ...

How do plants breathe through stomata ... which are equivalent in function to lysosomes in mammalian cells (Figure 1). A special feature of guard cells is that they can increase or decrease ...

According to the classical understanding of plant gas exchange, the uncontrolled loss of water from plant aerial organs is restricted by epidermis that is covered ... and composition leading to e.g.