Answer:
Plants obtain water through their roots. ... The water passes through the membranes of plant cells and also fills the spaces in between the cells. Because the cells absorb the water directly, the soil must be in contact with the roots in order for the roots to absorb the water.
If the checkpoint<span> mechanisms detect problems with the DNA, the </span>cell cycle<span> is halted and the </span>cell<span> attempts to either complete DNA replication or repair the damaged DNA. If the DNA has been correctly replicated, Cyclin dependent Kinases signal the beginning of mitotic </span>cell<span> division.</span>