These are complex proteins that speed up chemical reactions by lowering the amount of energy needed to get the reaction started.

If you are doing USA test prep, then here is the answer key to all of the questions. Please leave a thanks if this helped you at all.

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

. ph changes the ability of them he enzyme to dissolve in water.