26
Sep
How Are Enzymes Affected By Changes In Their Environment. Enzyme activity increases as temperature increases and in turn increases the rate of the reaction. This also means activity decreases at colder temperatures. 1 It can change the rate of molecular motion and 2 it can cause changes in the shape of an enzyme. If the temperature is too high or if the environment is too acidic or alkaline the enzyme changes shape.
Therefore there are more collisions of the substrate with the active site and the formation of activated complexs and product Raven 52. Enzymes are affected by changes in pH. This will break some of the bonds holding the tertiary structure of the protein together causing an inevitable change in the shape of the active site. An important condition affecting enzyme-controlled reactions is the environmental temperature figure 55 which has two effects on enzymes. Enzyme activity increases as temperature increases and in turn increases the rate of the reaction. Enzyme works within a narrow range of temperature.
This alters the shape of the active site so that substrates cannot bind to it the enzyme.
Factors affecting enzyme activity Enzyme activity can be affected by a variety of factors such as temperature pH and concentration. The higher the temperature the faster the frequency of collision and the enzyme action is increased. Enzymes are affected by changes in pH. As the temperature increases enzyme stability decreases. The three factors that can affect the activity of an enzyme include temperature pH and concentration. Specific environmental conditions may play a role in how enzyme activity is affected.