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What is an enzyme?
1
A catalyst that breaks down
large molecules
2
A catalyst that speeds up a
reaction
3
A biological catalyst / substance
that speeds up chemical
reactions


Sagot :

Answer:

  1. An enzyme is a biological catalyst and is almost always a protein.

Answer:

3

Explanation:

an enzyme is a biological substance which 99% of which are proteins and the rest are made up of nucleotides. Also, they speed up chemical reactions but keep in mind that they will remain when the reaction is finished.