Answer:
<h2>B). Active site</h2>
Explanation:
The part of the enzyme where the substrate binds is called the active site (because that's where the catalytic “action” happens).
The one with greatest level of certainty is a law
I think it might be Stratosphere, if Ozone layer is an option I will suggest that too.
An atom consists of a nucleus containing protons<span> and </span>neutrons, surrounded by electrons.<span> ] : A </span>proton<span> is a small particle with a positive charge found in the nucleus of the atom. [: An </span>electron<span> is a very small negatively-charged particle found in an atom in the space surrounding the nucleus. ] so the answer would be A.
hope this helped :)
alisa202</span>