Respuesta :
During the catalase lab, tubes containing which combination of enzyme and substrate will cause bubbles (product is water and oxygen) to form catalase and hydrogen peroxide
Depending on the concentration of hydrogen peroxide, catalase causes an initial rapid evolution of oxygen that lasts for two minutes or less. Following that, oxygen is released at a constant rate that gradually falls over the course of an hour.
Hydrogen peroxide, the enzyme catalase's substrate, begins to decompose into water and oxygen when it comes into contact with the enzyme. Since oxygen is a gas and wants to leave the liquid, it tries to do so.
Insufficient buffering causes the catalase reaction to diminish as hydrogen peroxide concentration rises. In addition, as peroxide concentration rises, the proportionality between the enzyme and oxygen released also tends to become less uniform.
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