answersLogoWhite

0

At low concentration of substrate , rate of enzyme action is directly proportional to conc. of substrate .

User Avatar

Wiki User

13y ago

What else can I help you with?

Continue Learning about Natural Sciences

What is the effect of subsrtrate concentration on enzyme activity?

The effect of substrate concentration on enzyme activity is characterized by an initial increase in reaction rate as substrate concentration rises, leading to more frequent enzyme-substrate collisions. However, this relationship reaches a saturation point where all active sites of the enzyme molecules are occupied, resulting in a maximum reaction rate known as Vmax. Beyond this saturation point, further increases in substrate concentration do not enhance enzyme activity, as the enzymes are already working at their maximum capacity. Thus, enzyme activity is dependent on substrate concentration up to a certain threshold, after which it plateaus.


What would be the likely outcome if you increased the concentration of substrate for an enzyme in the presence of a noncompetitive inhibitor?

Increasing the concentration of substrate will not overcome the effect of a noncompetitive inhibitor. The inhibitor binds to the enzyme at a site other than the active site, causing a conformational change that reduces the enzyme's activity. Therefore, increasing the concentration of substrate will not result in a significant increase in enzyme activity.


What are the four factors that effect enzyme activity?

The four factors that affect enzyme activity are temperature, pH, substrate concentration, and the presence of inhibitors or activators. Temperature and pH can alter the enzyme's shape, while substrate concentration determines the rate of reaction. Inhibitors and activators can either decrease or increase enzyme activity, respectively.


Why will increasing the substrate concentration not decrease the effect of a non competitive inhibitor?

Because you will still have the same number of enzymes inhibited. For example, you have 20 enzymes and 10 non-competitive inhibitors. Regardless of substrate concentration, at any one time, there will only be 10 enzymes available to accept a substrate. Increasing the substrate concentration does not affect this.


What is the effect of starch concentration on amylase activity?

The effect of starch concentration on amylase activity is that increased starch concentration typically enhances enzyme activity up to a certain point. As starch concentration rises, there are more substrate molecules available for amylase to act upon, leading to increased rates of reaction and more glucose production. However, beyond a certain concentration, the enzyme may become saturated, resulting in a plateau in activity where further increases in starch concentration do not significantly affect the rate of reaction. Additionally, factors such as temperature and pH also play a crucial role in enzyme activity.

Related Questions

What is the effect of subsrtrate concentration on enzyme activity?

The effect of substrate concentration on enzyme activity is characterized by an initial increase in reaction rate as substrate concentration rises, leading to more frequent enzyme-substrate collisions. However, this relationship reaches a saturation point where all active sites of the enzyme molecules are occupied, resulting in a maximum reaction rate known as Vmax. Beyond this saturation point, further increases in substrate concentration do not enhance enzyme activity, as the enzymes are already working at their maximum capacity. Thus, enzyme activity is dependent on substrate concentration up to a certain threshold, after which it plateaus.


What effect enzymes activity?

Temperature, pH, substrate concentration


What would be the likely outcome if you increased the concentration of substrate for an enzyme in the presence of a noncompetitive inhibitor?

Increasing the concentration of substrate will not overcome the effect of a noncompetitive inhibitor. The inhibitor binds to the enzyme at a site other than the active site, causing a conformational change that reduces the enzyme's activity. Therefore, increasing the concentration of substrate will not result in a significant increase in enzyme activity.


What are the four factors that effect enzyme activity?

The four factors that affect enzyme activity are temperature, pH, substrate concentration, and the presence of inhibitors or activators. Temperature and pH can alter the enzyme's shape, while substrate concentration determines the rate of reaction. Inhibitors and activators can either decrease or increase enzyme activity, respectively.


What cause competition?

It slows down or even stop the enzymatic activity because it compete the actove site of the enzymes with substrate and its effect can be reduced by concentrating the concentration of substrate or add more subatrate therefore more substrate are compete with the inibitors


Why will increasing the substrate concentration not decrease the effect of a non competitive inhibitor?

Because you will still have the same number of enzymes inhibited. For example, you have 20 enzymes and 10 non-competitive inhibitors. Regardless of substrate concentration, at any one time, there will only be 10 enzymes available to accept a substrate. Increasing the substrate concentration does not affect this.


What is the effect of starch concentration on amylase activity?

The effect of starch concentration on amylase activity is that increased starch concentration typically enhances enzyme activity up to a certain point. As starch concentration rises, there are more substrate molecules available for amylase to act upon, leading to increased rates of reaction and more glucose production. However, beyond a certain concentration, the enzyme may become saturated, resulting in a plateau in activity where further increases in starch concentration do not significantly affect the rate of reaction. Additionally, factors such as temperature and pH also play a crucial role in enzyme activity.


What three conditions can effect enzyme reactions?

pH level: Enzymes have an optimal pH at which they function, and deviating from this pH can affect their activity. Temperature: Enzymes can denature if exposed to extreme temperatures, reducing their effectiveness. Substrate concentration: Enzyme activity can be influenced by the amount of substrate available for the reaction.


How does changing the substrate concentration exhibit the same effect as changing the enzyme concentration?

For the enzyme to work, its particles must collide with the particles of the substrate. The more particles there are per unit volume, the more frequent the collisions will be. Thus changing the concentration of either chemical will have the same effect.


What must be held constant when testing the effect enzyme concentration on enzyme activity?

temperature,pH and substrate concentration


What is the Effect of dilution on enzyme activity?

At a high ion concentration, the ion interfere with the bonds between the side groups of the amino acids making up the enzyme (which is a protein). This causes the enzyme to lose its shape, called denaturation. If the enzyme loses its shape, it can no longer accept and react substrate, so the rate of enzyme activity decreases.


What can effect how the enzyme and substrate come together?

Factors such as temperature, pH, substrate concentration, and the presence of inhibitors or activators can affect how enzymes and substrates come together. Changes in these factors can alter the shape and activity of enzymes, impacting their ability to bind with substrates and catalyze reactions.