What Are the Magnitudes of Enzyme-Induced Rate Accelerations?
Q: Is it good (or bad) that enzymes can be reversibly inhibited? Why?
A: Enzymes are catalysts that are important for reactions to take place. They do not get consumed in…
Q: How is the Michaelis constant defined, and what does a low or high value for Km tell you? What is…
A: Enzymes are the biocatalyst that increases the rate of the biochemical reaction by reducing the…
Q: Calculate the rate enhancement that could be accomplished by an enzymeforming one low-barrier…
A: Enzymes are proteins that act as biological catalyst and accelerate the chemical reactions. Rate…
Q: Name two important outcomes of catabolism?
A: Catabolism is the set of metabolic pathways that breaks down molecules into smaller units. Redox…
Q: Given the following data in enzyme-catalyzed reaction, what is the Vm, Km and type of inhibition of…
A: Enzyme inhibition refers to decrease in enzyme activity due to certain molecule blocking the active…
Q: Show that the half-life for a first-order reaction is inversely proportional tothe rate constant,…
A: First-order reaction is the reaction that depends on the concentration of only one reactant.
Q: What is the impact of the lower value km 0.01 on the affinity of enzyme for substrate?
A: The value of KM is inversely related to the affinity of the enzyme for its substrate. High values of…
Q: What is the impact of new km value 0.1mM compared to previous km value 0.05mM on affinity of the…
A: Here the graph shows, km value of 0.1mM decreased when compared to 0.05mM. Affinity for the enzyme…
Q: What is the mechanism that controls the rate of a reaction catalyzed by an enzyme?
A: Introduction: The Enzymes are biological catalysts that speed up a process without changing the pace…
Q: What is a rate-limiting enzyme?
A: All enzymes are proteins which are composed of 20 standard amino acids. Enzymes carry out all…
Q: What are the main categories of metabolic control?
A: The phenomenon named metabolism is the summation of chemical reactions that take place in a body.…
Q: Can the Rate of an Enzyme-Catalyzed Reaction Be Defined ina Mathematical Way?
A: Enzyme kinetics deals with the rate of chemical reactions catalyzed by enzymes. The study of the…
Q: Can enzyme inhibition be reversed in all cases?
A: Enzymes can be regulated to increase or decrease their catalytic activity. When it comes to…
Q: how Mutations affects catabolism?
A: Mutation is the sudden heritable changes that occur in the DNA sequences due to error while copying…
Q: What would be the effect on the reactions following the aconitase-catalyzed step?
A: Acetyl-CoA enters the TCA cycle to form citrate reacting with oxaloacetate. Citrate is a symmetrical…
Q: Does an enzyme release more energy from its substrate than an uncatalyzed reaction would release?
A: Enzymes are proteins which act as a biocatalyst that speed up the rate of a chemical reaction. The…
Q: What is the electrochemical gradient?
A: The diffusion of ions across a membrane either occurs passively through ion channels or actively…
Q: List three ways to alter the rate of an enzyme-mediated reaction.
A: Enzymes are biological catalysts. They lower the activation energy of a reaction by binding to the…
Q: the factors that contribute to the leveling off of the enzyme progression curve
A: Those proteins or biological catalysts which help to speed up the chemical reaction are termed…
Q: How do enzymes increase the reaction rate without being consumed?
A: The enzymes are also known as biological catalysts because similar to the chemical catalysts the…
Q: How does a coenzyme function in an enzyme-catalyzedreaction?
A: A coenzyme is an organic non-protein molecule that binds with an enzyme to catalyze a reaction. They…
Q: What is the impact of the lower value Vmax on the affinity for enzyme for substrate? And what is…
A: The relationship between Km and substrate concentration is that Km corresponds to the substrate…
Q: What are the similarities and differences in the regulation of monomeric, single substrate and…
A: Enzymes are proteins that act as biological catalysts. They work by aiding in reducing the…
Q: On the following enzyme-catalyzed reaction, what is the class and subclass of the enzyme involved?
A: Enzymes are proteins that act as biological catalysts. They work by aiding in reducing the…
Q: What are prodrugs? How is the therapeutic effect of a prodrug affected by enzyme inhibition and…
A: Prodrugs undergo a transformation before exhibiting its pharmacological effects. They comprise…
Q: List the components of the enzyme complex involved in the transition step. Simply describe what does…
A: A enzyme is made up of one or more polypeptide chains of amino acids. The amino acid causes the…
Q: How would a change in enzyme substrate concentration from 4mM to 2mM affect Vmax, Km and Kcat?
A: Enzymes lower the activation energy of a reaction. This is done by binding itself to a substrate…
Q: Where are the enzymes of Krebs cycle located?
A: The cells are the basic building blocks of the living system. It consists of many internal…
Q: What is reaction time, why do we measure it? How is it calculated?
A: Chemical kinetics is a branch of chemistry which deals with reaction rates and extent to which a…
Q: Why is the process of activation a useful strategy in metabolism?
A: Metabolism is the process, which involves the processing of the nutrients in order to acquire energy…
Q: What are the steps of the Krebs cycle?
A: The Krebs cycle is also known as the citric acid cycle. It is a chain of chemical reactions takes…
Q: How the inducer triggers enzyme synthesis?
A: Introduction Protein is the key biomolecule in the biological system, any important physiological…
Q: What are the differences between instantaneous velocity, initial velocity, and maximal velocity for…
A: Enzyme kinetics is the study of the chemical reactions that are catalysed by enzymes. In enzyme…
Q: What types of substances or activities denature enzymes? Suggest three different denaturation…
A: Enzymes are biocatalysts that are involved in carrying out chemical reactions. They tend to increase…
Q: a. Which unknown sample is the negative control? And Which unknown sample is the positive control?…
A: Negative control and positive control In an experiment a negative control isn't expected to show…
Q: Why might the atpS mutant grow so slowly?
A: atpS mutant means it this bacteria does not have ATP synthase enzymes that helps in ATP production…
Q: An uncatalyzed reaction has keq=50. in the presence of an appropriate enzyme.the forward rate of the…
A: The enzyme does not change the equilibrium constant (Keq) of a reaction. Hence the value of the…
Q: What are the meanings and differences between Ki, Km, and IC50? Are there certain advantages or…
A: Enzymes are biocatalyst. They speed up the rate of biochemical reaction. Enzyme binds with substrate…
Q: What is an electrochemical gradient? What purpose does it serve?
A: An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can…
Q: What is the need of adding DNS solution to the enzyme substrate solution? What is the problem in…
A: The substance which helps to catalyze the living organisms is called an enzyme. It helps in the…
Q: What is the significance of metabolic flux?
A: Metabolic flux is defined as the amount of a metabolite processed by one or more catalytic steps of…
Q: What Role Does Transition-State Stabilization Play in EnzymeCatalysis? T
A: Enzymes are biomolecules made up of proteins. They help in speeding up biochemical reactions.…
Q: If the higher value of KM resulting in the new plot ( red curb ) is due to the presence of an enzyme…
A: The concentration of irreversible inhibitor is less than the concentration of enzyme, an…
Q: What is the impact of the higher value of Km on the affinity of the enzyme for the substrate?
A: Those class of proteins that helps in increasing the rate of reactions inside the living body…
Q: Approximately what is the concentration of the enzyme in each tube? Show computation
A: dilution factor: part of solute divided by total volume e.g 1:2 dilution (1 part saliva and 2 parts…
What Are the Magnitudes of Enzyme-Induced Rate Accelerations?
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- In a typical enzyme-catalyzed reaction, what are the relative concentrations of reactants and products as compared to the enzyme concentration?What is the effect of each of the 4 types of inhibitors on the initial rate of an enzyme catalyzed reaction?How does a coenzyme function in an enzyme-catalyzedreaction?
- Does the presence of an uncompetitive inhibitor increase / decrease the apparent affinity of the enzyme•substrate complex?Does the apparent KM increase / decrease in the presence of an uncompetitive inhibitor?What is the difference between the lock-and-key model of enzyme action and the induced-fit model?Does an enzyme release more energy from its substrate than an uncatalyzed reaction would release?