Check all that apply;

Enzymes:
Most are made of lipids.
Is a biological catalyst.
Speed up a chemical reaction.
Become part of the chemical reaction.
Can be denatured (broken down) if the temperature gets too hot or cold.
Decreases the activation energy for a biological reaction.

Is a biological catalyst.

Speed up a chemical reaction.
Can be denatured (broken down) if the temperature gets too hot or cold.
Decreases the activation energy for a biological reaction.