In enzymes, what happens to the rate of reaction as the temperature increases? Explain in terms...
Homework Answers
As the temperature increases, there will be a gradual increase in the rate of reaction. An increase in temperature results in increase in average kinetic energy of the particles. As the kinetic energy increases, the particles move more rapidly and collide more frequency. Each time they collide, they posses greater energy which increases the reaction rate.
Once the enzyme reaches its maximum activity, further increase in temperature does not enhance further the rate of reaction. Further increase in temperature results in denaturation of enzyme and gradual loss of enzyme. The temperature where the enzyme activity is maximum with minimum damage to the enzyme is called the enzyme's optimum Temperature.
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enzymes, what happens to the rate of reaction as the temperature
increases? Explain in terms...
As the temperature of a reaction is increased, the rate of the reaction increases because the...
As the temperature of a reaction is increased, the rate of the reaction increases because the A) reactant molecules collide less frequently and with greater energy per collision B) reactant molecules collide with greater energy per collision C) reactant molecules collide less frequently D) activation energy is lowered E) reactant molecules collide more frequently with less energy per collision
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but...
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but eventually reaches a maximum value, even though the concentration of substrate continues to increase. Which of the following best explains why? O As substrate concentration increases, the substrates preferentially bind with each other instead of the active site of the enzyme, and no additional catalysis occurs. As substrate concentration increases, the active sites of all the enzyme molecules become occupied with substrate molecules, and...
1) What is an enzyme made of? 2) Explain what happens to enzymes when you change...
1) What is an enzyme made of? 2) Explain what happens to enzymes when you change their environment. 3) Explain an enzymes role in the production of products. 4) What is meant by the statement your metabolism is slow? 5) What happens to the energy as you convert it?
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the...
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the tightly homeostatically controlled variables in the human body. What are the symptoms of loss of temperature control during a high fever? Explain why these symptoms occur based on enzyme function and cell signaling effects that are dependent on temperature. Based on Figure 1, explain how the temperature optimum of the activity of enzymes is expected to differ in organisms depending on where they live....
3. "Enzymes affect reaction rates, not equilibria." This is a fundamental concept of enzyme action. Explain, in your...
3. "Enzymes affect reaction rates, not equilibria." This is a fundamental concept of enzyme action. Explain, in your own words, why enzymes cannot alter the equilibrium of a reaction. Then explain how enzymes can actually speed up a reaction. 4. How is the activation energy AG different from the biochemical standard free energy change AG"? 5. Explain why AG's p can be different from AG p.s. Describe the implication of this difference in terms of the direction of the reaction...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their many vital, enzyme-catalyzed reactions. 3. In general, the rates of chemical reactions double for every 10 degrees (Celsius) increase in temperature. What changes at the molecular level account for slower reaction rates of enzyme- catalyzed reactions at high temperatures? (Hint: enzymes are protein molecules. What happens to protein molecules when they are heated?) Why are enzyme catalyzed reactions also slower at low temperatures? (Hint:...
. fect Journal Describe the relationship between substrate concentration and the initial reaction rate of an...
.
fect Journal 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 substrate concentration increases? Question 1 of 6 ect Journal Explain why the maximum initial reaction rate cannot be reached at low lactose concentrations Question 3 of 6 HET ournal Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in...
Which of the following statements about enzymes are true? Select all that apply: Enzymes increase reaction...
Which of the following statements about enzymes are true? Select all that apply: Enzymes increase reaction rates by lowering the energy of the products. Enzymes increase the rate at which products are created by preventing reactions from running backwards. Enzymes increase reaction rates by lowering the activation energy of a reaction. Enzymes increase reaction rates by interacting with the substrate molecules to facilitate the reaction, for example by contorting them to facilitate bond-breakage or orienting them to favor bond formation.
Explain what happens to the interest rate if the money supply increases or decreases and the...
Explain what happens to the interest rate if the money supply increases or decreases and the money demand remains unchanged. Explain what happens to the interest rate if the money demand increases or decreases and the money supply remains unchanged.
What is the energy of activation? 16. How do enzymes speed the rate of reaction? 17....
What is the energy of activation? 16. How do enzymes speed the rate of reaction? 17. Talk about the effect of the following on enzyme reaction rate: a) Substrate concentration b) pH c) Temperature 18. How do vitamins play a part in enzymatic reactions?
As the temperature of a reaction is increased, the rate of the reaction increases because the A) reactant molecules collide less frequently and with greater energy per collision B) reactant molecules collide with greater energy per collision C) reactant molecules collide less frequently D) activation energy is lowered E) reactant molecules collide more frequently with less energy per collision
The rate of an enzyme-catalyzed reaction initially increases with an increase in the substrate concentration, but eventually reaches a maximum value, even though the concentration of substrate continues to increase. Which of the following best explains why? O As substrate concentration increases, the substrates preferentially bind with each other instead of the active site of the enzyme, and no additional catalysis occurs. As substrate concentration increases, the active sites of all the enzyme molecules become occupied with substrate molecules, and...
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the tightly homeostatically controlled variables in the human body. What are the symptoms of loss of temperature control during a high fever? Explain why these symptoms occur based on enzyme function and cell signaling effects that are dependent on temperature. Based on Figure 1, explain how the temperature optimum of the activity of enzymes is expected to differ in organisms depending on where they live....
3. "Enzymes affect reaction rates, not equilibria." This is a fundamental concept of enzyme action. Explain, in your own words, why enzymes cannot alter the equilibrium of a reaction. Then explain how enzymes can actually speed up a reaction. 4. How is the activation energy AG different from the biochemical standard free energy change AG"? 5. Explain why AG's p can be different from AG p.s. Describe the implication of this difference in terms of the direction of the reaction...
2. List some familiar adaptations animals have to reduce the effects of temperature extremes on their many vital, enzyme-catalyzed reactions. 3. In general, the rates of chemical reactions double for every 10 degrees (Celsius) increase in temperature. What changes at the molecular level account for slower reaction rates of enzyme- catalyzed reactions at high temperatures? (Hint: enzymes are protein molecules. What happens to protein molecules when they are heated?) Why are enzyme catalyzed reactions also slower at low temperatures? (Hint:...
.
fect Journal 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 substrate concentration increases? Question 1 of 6 ect Journal Explain why the maximum initial reaction rate cannot be reached at low lactose concentrations Question 3 of 6 HET ournal Enzymes function most efficiently at the temperature of a typical cell, which is 37 degrees Celsius. Increases or decreases in...
What is the energy of activation? 16. How do enzymes speed the rate of reaction? 17. Talk about the effect of the following on enzyme reaction rate: a) Substrate concentration b) pH c) Temperature 18. How do vitamins play a part in enzymatic reactions?
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