Itself.
Basically, the cells attack their own cells thinking that it is a toxic substance.
Answer: "3 to 4 mm" .
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It decrease as you move away from Earths surface
<span>If high amounts of sulfanilamide are in the presence of an enzyme whose substrate is paba, then the enzyme would stop functioning since the sulfanilamide inhibits the action of the enzyme. Hope this answers the question. Have a nice day.</span>