Is this your first time learning about this?
Cell walls are thicker than cell membranes, and can therefore support the cell well. They keep a strong boundary for the protection of the cell, but can let water and some nutrients through to nourish and power the cell. Hope this helps! :)
Answer:
Because they are not working together
Explanation:your welcome
Only one of the original DNA strands acts as a templates during replication.
Scientific Law, A rule of nature.