Answer:
My guess would be the fourth option
Explanation:
All living thing have chemical reactions within their body, and ph can affect thous reactions.
all is correct . The role of the immune system is to protect the body from all what is strange about the the body this includes living organism or toxic chemical compounds ... In fact in all cases the different members of immune system recognize the strange thing by the spatial organization of its chemical composition . This is called antigen.
before division a cell must be copied <span>but with that saying if so the cells would divide and become disfigured cells and not work write in the system i hope it helped</span><span />
Cells can be very different in size, shape, and the types of organelles they have. However, at some point all cells have DNA and a cell membrane
