Answer:
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Explanation:
Enzymes are both proteins and biological catalysts.
Answer:
what is it can u pls tell I can't understand this
OK so basically the main reason that had caused WWI was when the arch duke of Austria Hungary Franz Ferdinand was assassinated because the assassin had ties to a military group called the black hand so it had caused European powers to collide against each other.
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