Homework Answers
Add Answer to:
The graph below shows an enzyme- controlled reaction. The enzyme concentration is kept constant. At concentrations...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends...
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
6 The graph shows the effect of substrate concentration on the rate of an enzyme- controlled...
6 The graph shows the effect of substrate concentration on the rate of an enzyme- controlled reaction. The enzyme concentration is constant. reaction rate Which statement about the graph is correct? A Between Wand X, the substrate concentration number of enzyme molecules is limiting. Between X and Y, the number of enzyme molecules is limiting. Between X and Y, the number of substrate molecules is limiting. Between X and Y, the product concentration remains the same. Thanh in the nammanni...
For the following questions, multiple answers may apply. 1) Enzyme activity in cells is controlled by...
For the following questions, multiple answers may apply. 1) Enzyme activity in cells is controlled by which processes: a) covalent modifications b) modulation of expression levels c) feedback inhibition d) binding to allosteric effectors 2) Which of the following statements about the concept of “induced fit” are true (2pts): a) Substrate binding induces either global or local conformational change in the enzyme, which then brings catalytic groups into proper orientation. b) When a substrate binds to an enzyme, the enzyme...
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...
The graph below shows the reaction profile for the chemical reaction shown below: H_2 O_2(g) H_2(g)...
The graph below shows the reaction profile for the chemical reaction shown below: H_2 O_2(g) H_2(g) + O_2(g) Specifically, the graph represents the concentration of the reactants and products as a function of time. Which of the following statements about this graph are correct? Arrow A indicates the reaction at equilibrium because it shows the relative concentration of the reactants decreasing and the products increasing. Arrow B indicates the reaction at equilibrium because the relative concentrations of X and Y...
Part A Insert non-labeled graph from page 150 replica created and inserted below Rate ofrece with...
Part A Insert non-labeled graph from page 150 replica created and inserted below Rate ofrece with competitive inhibitor Substrate concentration The graph shows the normal reaction rate of an enzyme and the reaction rate when a competitive inhibitor is present. Which description below explains the appearance of the graph? As the substrate concentration increases, the activity of the enzyme decreases As the enzyme concentration increased, the effect of the inhibitor was more pronounced As the onzyme concentration increased the effect...
Figure 24 shows how the concentration of substrates and products of a reaction changed over time...
Figure 24 shows how the concentration of substrates and products of a reaction changed over time after the enzyme and the substrate were mixed together. 0.5 Figure 24 moldm 0.4 0.3 concentration of substances 0.2 0.1 0 Deduce which curve shows the concentration of substrate and explain your answer [1] Using the data in the graph, deduce how the activity of the enzyme changed during the experiment. [2] Explain the change in enzyme activity during the experiment. [4m] 10 10
The concentration of substrate X is low. What happens to the rate of the enzyme- catalyzed reaction if the concentr...
The concentration of substrate X is low. What happens to the rate of the enzyme- catalyzed reaction if the concentration of X is doubled? 15. What effect does an increase in the enzyme concentration have on the rate of an enzyme-catalyzed reaction? 16.
Enzyme Kinetics Problem The initial rate for an enzyme-catalyzed reaction has been determined at a number...
Enzyme Kinetics Problem The initial rate for an enzyme-catalyzed reaction has been determined at a number of substrate concentrations. Data are given below: 5 27 23 65 1. Estimate V and K from a Michaelis-Menten graph of V versus [S] 2. Use a Lineweaver-Burk plot to analyze the same data. a. Determine V and Ka from the Lineweaver-Burk BONUS: If the total enzyme concentration was I nmol/L, what is K?
Enzyme Kinetics Problem The initial rate for an enzyme-catalyzed reaction...
3. The Michaelis-Menten Graph also shows the theoretical maximum rate of the enzyme (Vmax), the point...
3. The Michaelis-Menten Graph also shows the theoretical maximum rate of the enzyme (Vmax), the point where the enzyme is working at its maximum rate (Vmax/2), and amount of substrate needed to bind half of the active sites (Km). Label these points on the graph. Vmax represents: Vm Vmax/2 represents: Reaction velocity v Vmax 2 Km represents: Kim Substrate concentration (5)
Which of the diagrams illustrates the way in which the rate of an enzyme-controlled reaction depends on substrate concentration? * А B Rate of reaction MÚN Substrate concentration A B D When starch and amylase are mixed in the presence of iodine solution, the blue-black colour rapidly disappears. This is due to the formation of which molecule? * glucose O glycogen sucrose O maltose Which of the following enzyme groups can catalyse oxidation reactions? * O phosphorylases isomerases hydrolases dehydrogenases...
6 The graph shows the effect of substrate concentration on the rate of an enzyme- controlled reaction. The enzyme concentration is constant. reaction rate Which statement about the graph is correct? A Between Wand X, the substrate concentration number of enzyme molecules is limiting. Between X and Y, the number of enzyme molecules is limiting. Between X and Y, the number of substrate molecules is limiting. Between X and Y, the product concentration remains the same. Thanh in the nammanni...
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...
The graph below shows the reaction profile for the chemical reaction shown below: H_2 O_2(g) H_2(g) + O_2(g) Specifically, the graph represents the concentration of the reactants and products as a function of time. Which of the following statements about this graph are correct? Arrow A indicates the reaction at equilibrium because it shows the relative concentration of the reactants decreasing and the products increasing. Arrow B indicates the reaction at equilibrium because the relative concentrations of X and Y...
Part A Insert non-labeled graph from page 150 replica created and inserted below Rate ofrece with competitive inhibitor Substrate concentration The graph shows the normal reaction rate of an enzyme and the reaction rate when a competitive inhibitor is present. Which description below explains the appearance of the graph? As the substrate concentration increases, the activity of the enzyme decreases As the enzyme concentration increased, the effect of the inhibitor was more pronounced As the onzyme concentration increased the effect...
Figure 24 shows how the concentration of substrates and products of a reaction changed over time after the enzyme and the substrate were mixed together. 0.5 Figure 24 moldm 0.4 0.3 concentration of substances 0.2 0.1 0 Deduce which curve shows the concentration of substrate and explain your answer [1] Using the data in the graph, deduce how the activity of the enzyme changed during the experiment. [2] Explain the change in enzyme activity during the experiment. [4m] 10 10
The concentration of substrate X is low. What happens to the rate of the enzyme- catalyzed reaction if the concentration of X is doubled? 15. What effect does an increase in the enzyme concentration have on the rate of an enzyme-catalyzed reaction? 16.
Enzyme Kinetics Problem The initial rate for an enzyme-catalyzed reaction has been determined at a number of substrate concentrations. Data are given below: 5 27 23 65 1. Estimate V and K from a Michaelis-Menten graph of V versus [S] 2. Use a Lineweaver-Burk plot to analyze the same data. a. Determine V and Ka from the Lineweaver-Burk BONUS: If the total enzyme concentration was I nmol/L, what is K?
Enzyme Kinetics Problem The initial rate for an enzyme-catalyzed reaction...
3. The Michaelis-Menten Graph also shows the theoretical maximum rate of the enzyme (Vmax), the point where the enzyme is working at its maximum rate (Vmax/2), and amount of substrate needed to bind half of the active sites (Km). Label these points on the graph. Vmax represents: Vm Vmax/2 represents: Reaction velocity v Vmax 2 Km represents: Kim Substrate concentration (5)
Most questions answered within 3 hours.
-
A 4.45 percent coupon municipal bond has 12 years left to
maturity and has a price...
asked 5 minutes ago -
13. In the book, “The Goal” to what country does Alex convince
Johnny the company should...
asked 7 minutes ago -
Write a simple Python program to find the day for the given
date. The procedure to...
asked 12 minutes ago -
5) A semi-permeable membrane is used to separate pyruvic acid
from an aqueous solution of 0.1...
asked 14 minutes ago -
The resistance of the body varies from approximately 500 kΩ
(when it is very dry) to...
asked 18 minutes ago -
Please explain how participation income and expenses are
allocated to each partner. Where is this defined?
asked 28 minutes ago -
The tires of a car make 61 revolutions as the car reduces its
speed uniformly from...
asked 43 minutes ago -
Peabody, Inc., sells fireworks. The company’s marketing director
developed the following cost of goods sold budget...
asked 47 minutes ago -
A signal transduction pathway includes the steps listed
below.
1. An inactive signal transduction molecule is...
asked 46 minutes ago -
1. The correlation coefficient determined for two variables has
a value of 0.89. Describe, in words,...
asked 53 minutes ago -
The following data relate to direct materials costs for
November:
Actual costs
4,700 pounds at $5.35...
asked 51 minutes ago -
Kyle, a 95.0 kg football player, leaps straight up into the air
(with no horizontal velocity)...
asked 1 hour ago