3. List three factors that can affect the rate of enzyme activity, Explain how e

Question

3. List three factors that can affect the rate of enzyme activity, Explain how each factor would change the rate of reaction for an enzyme ca reaction and why. Reminder: Think about to proteins when you alter the environment and then explain what effects this might have on an enzyme catalyzed rate of reaction). Section Read pages 115-116 in your symbiosis lab text (scientific Investigation ofthe Perocidase Enzyme) and the enzyme handout, then answer the following questions: 1. What is your hypothesis for this experiment? 2. What background information did you use in creating your hypothesis? 3. What is the independent variable for this experiment? 4, what is the dependent variable for this experiment? 5. List three controlled variables for this experiment

Explanation / Answer

The effect of temperature on the rate of enzyme activity:

The rate of an enzyme reaction increases with the raise in temperature. Many enzymes are adversely affected by high temperatures. A100C rise in temperature could increase the activity of enzymes by 50 to 100%. Usuallly, the reaction rate increases with temperature to a maximum (optimum temperature) and then declines with the further increase of temperature. For example, most of the animal enzymes rapidly become denatured at temperatures above 40°C. Over a period of time, enzymes could be deactivated at moderate temperatures. Storage of enzymes at 5°C or below is found more suitable. Some enzymes lose their activity at frozen temperature.

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