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! :)
For the answer to the question above, <u>"</u><u>hydrogen ions"</u> <span>form when muscle cells convert lactic acid to lactate. </span>
this is the reason why we feel fatigue when exercising it is that we accumulate a compound called lactic acid. I hope this helps
Because the radiation can cause skin cancer!!! hope this helps wear sunscreen
A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
