They ensure they leave the system and they also ensure that people get the nutrients they need.
Nucleic acids function is to make up genetic information in living things. There are two types of nucleic acid and they are DNA and RNA. DNA is the basic instructions for living things. It is passed down from parent to offspring and is found in the nucles of the cell
Normally it’s the plasmodesmata that allows exchange of molecules between adjacent cells. But I’m still not sure if water is included!
