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How do pH temperature and substrate availability affect the rate of action of enzymes?

All enzymes have optimal conditons, when it will work at its best. For example, if the temprature is too high the protein can become denatured. This is alos the case with Ph. Substrate level also affects enzyma activity because the more substartes there are, the more enxymes can bind to them.


What factors that will affect enzymes speed?

Factors that affect enzyme speed include temperature, pH, substrate concentration, and the presence of inhibitors or activators. Enzymes work best within a specific temperature and pH range, and their activity increases with higher substrate concentration until reaching saturation. Inhibitors can slow down enzyme activity, while activators can enhance it.


Why competitive inhibitors can be overcome and how it is overcome?

Competitive inhibitors can be overcome by increasing the substrate concentration since they bind to the active site of the enzyme, preventing substrate binding. By adding more substrate, the probability of substrate binding to the enzyme and outcompeting the inhibitor increases. This effectively reduces the impact of the competitive inhibitor on the enzyme's activity.


What three factors affect the rate of a biochemical reaction?

The three factors that affect the rate of a biochemical reaction are temperature, substrate concentration, and enzyme concentration. Temperature influences the kinetic energy of molecules involved in the reaction, substrate concentration determines the amount of reactants available for the reaction, and enzyme concentration affects the number of catalysts available to facilitate the reaction.


What is a method that could be used to test the effect of temperature on the rate of reaction of a cellulase?

One method could be to set up multiple reaction vessels with the same concentration of cellulase and substrate, but at different temperatures. Measure the rate of reaction by monitoring a specific parameter (e.g., substrate concentration over time) for each reaction vessel. Plotting the data will allow you to observe how temperature affects the rate of reaction of the cellulase.

Related Questions

The graph below shows how two different enzymes react with a substrate as the temperature increases. Based on the results what conclusion can be drawn about the action of the enzymes as the temperatur?

enzyme B stays effective at higher temperatures than enzymes A


How show two different enzymes react with a substrate as the temperature increases?

As the temperature increases, enzyme activity tends to increase initially due to more kinetic energy, leading to more collisions between enzymes and substrate. However, beyond a certain temperature, enzymes may denature and lose their structure, rendering them unable to catalyze reactions effectively. Therefore, each enzyme may have an optimal temperature range at which it functions best, and beyond that range, enzyme activity may decline.


What factors affect enzyme activity?

Temperature - too cold the enzyme will still work but slowly, too hot and the enzyme will become denatured . As temperature increases, the kinetic energy of the molecules increases so they move around more, meaning that there are more collisions between the enzymes and substrate molecules and therefore more reactions. pH - different types of enzymes work best in different pH environments. A change in pH interferes with the shape of the enzymes active site (where it bonds and reacts with substrate) and therefore does not fit the shape of the substrate as well so the enzyme is unable to work on the substrate. enzyme and substrate concentration - how many there is of each. Changing the concentrations of enzyme and substrate concentrations will affect the number of collisions between them and therefore the number of reactions. enzyme inhibitors - these are molecules which bind to enzymes, reducing their activity (many drugs are enzyme inhibitors). co-factors - these are chemical compounds which bind to enzymes and which are needed by the enzyme to work on substrate molecules. They are often called helper molecules.


How do pH temperature and substrate availability affect the rate of action of enzymes?

All enzymes have optimal conditons, when it will work at its best. For example, if the temprature is too high the protein can become denatured. This is alos the case with Ph. Substrate level also affects enzyma activity because the more substartes there are, the more enxymes can bind to them.


What happens to an allosteric enzyme when the concentration of substrate around the molecule increases?

When the concentration of substrate around an allosteric enzyme increases, more substrate molecules can bind to the active site and induce a conformational change in the enzyme. This can enhance the enzyme's catalytic activity by improving its binding affinity for the substrate or stabilizing the active conformation.


Some factors that may influence enzyme activity?

A low temperature can slow down enzyme activity and high temperatures can denature an enzyme making it unusable. pH levels also affect enzyme activity. Every cell has an ideal temperature and pH


3 factors that influence enzyme activity?

The three main factors that affect enjyme activity are:- a)Temperature:Enzymes generally function properly at a narrow rangr of temperature and shows its highest activity t a particular temperature called its optimum temperature. b)pH:-as temperature pH also has a particular value ,in which the enzymes are most active,called the optimum temperature. c)Concentration of substrate;-with the increase in substrate concentration,the velocity of the enzymatic reaction also increases,till a maximum velocitywhich does not rise any further with the rise in substrate concentration.


What factors affect the rate of enzyme activity?

Factors that affect the rate of enzyme activity include temperature, pH, substrate concentration, and enzyme concentration. Temperature and pH can alter the shape of the enzyme, affecting its ability to bind to the substrate. Changes in substrate and enzyme concentration can affect the frequency of enzyme-substrate collisions, which impacts the rate of reaction.


What factors that will affect enzymes speed?

Factors that affect enzyme speed include temperature, pH, substrate concentration, and the presence of inhibitors or activators. Enzymes work best within a specific temperature and pH range, and their activity increases with higher substrate concentration until reaching saturation. Inhibitors can slow down enzyme activity, while activators can enhance it.


What is the independent variable between temperature and enzyme activity?

To find out how enzyme concentration affects the activity of the enzyme you must:vary the concentration of the enzyme, by preparing different concentrations (keeping the volume of solution the same)keep the temperature, substrate concentration and pH constantmeasure the activity of the enzyme at each concentrationHow the enzyme activity is measured will depend on the specific enzyme involved.You need to have plenty of substrate (excess substrate) so it doesn't run out during the experiment.In this type of experiment, the enzyme activity is the dependent variable, the temperature, pH and substrate concentration are control variables and the enzyme concentration is the independent variable.


What happens to an allosteric enzyme when the concentration of substrate around the?

B. it increases its processin capacity


Describe the relationship between substrate concentration and the initial reaction rate of an enzyme-catalyzed reaction Is this a linear relationship What happens to the initial reaction rate as sub?

As the substrate concentration increases so does the reaction rate because there is more substrate for the enzyme react with.