What acts as the catalysts for special reactions within the human body?
Enzymes
What are enzymes composed of?
Protein molecules (compounds of amino acids)
What are Globular proteins?
Proteins that are water soluble
What is a pH value?
The measure of hydrogen ion concentration within a solution
What is a substrate?
A molecular surface acted upon by an enzyme
What is a metabolic pathway?
A chemical reaction within a cell
How do enzymes act as catalyst?
By lowering activation energy