Burst kinetics is characteristic of an enzyme that uses a ping-pong mechanism
Q: Select a property that does not belong to allosteric enzymes. lis Michaelis-Menten kinetics
A: Enzymes that are regulated by allosteric mechanism are known as allosteric enzymes. These enzymes…
Q: The following data were collected in the study of a new enzyme and an inhibitor of the new enzyme:
A: The Michaelis–Menten equation is the rate equation for a one-substrate enzyme-catalyzed reaction.…
Q: Enzymes act by reducing the activation energy of areaction. Describe several ways in which this…
A: Enzymes are biomolecules which catalyzes the reactions so that reactions take less time to complete…
Q: The following data were collected in the study of a new enzyme and an inhibitor of the new enzyme
A: The Michaelis–Menten equation is the rate equation for a one-substrate enzyme-catalyzed reaction.…
Q: Define the optimum temperature for an enzyme.
A: Enzymes are globular protein molecules that catalyze a given reaction in a time-dependent manner.…
Q: To determine: The reason why most enzymes do not operate at their biochemical optima inside cells.
A: All enzymes share three characteristics. They are distinct in their specificity, regulatory ability,…
Q: This is a linear biochemical pathway
A: Biochemical pathways is a step by step series of interconnected biochemical reactions in which each…
Q: A allosteric regulator the rate of an enzyme-catalyzed reaction by inducing the active site of the…
A: Enzymes are macromolecular biological catalysts that accelerate chemical reactions. The molecules…
Q: EFFECT ON REACTION RATE EFFECT ON REACTION RATE IF FACTORS IS BRIEF EXPLANATION AS TO WHY THIS…
A: An enzyme is a biological catalyst that enhances the speed of reaction and is not changed chemically…
Q: What can he conclude from this experiment? State one thing that he can reasonably suspect about the…
A: a.) Enzymes are also sensitive to pH. Change in the pH will also change the active site of the…
Q: To describe: The competitive and noncompetitive inhibitors and also describe the way in which they…
A: Inhibitors are molecules that prevent enzymes and substrates from binding together. Inhibitors work…
Q: In any given enzyme, the active site is only a small portionof the entire molecule. Synthesis of…
A: Enzymes are known as biological catalysts. Like any other catalysts, they function to lower down the…
Q: Many organisms are able to live in extremely cold or hot temperatures, for example, the thermophilic…
A: There are many organisms, such as extremophiles, which live in extreme conditions. For example,…
Q: Which image depicts the exergonic reaction spontaneously moves forward with the use of an enzyme? -…
A: The activation energy is the energy required to start a reaction. And enzyme lowers the activation…
Q: Briefly discuss the role of thiamine pyrophosphate in enzymatic reactions, using material from this…
A: Enzymes are specialized proteins that catalyze all biochemical reactions. Enzymes are often assisted…
Q: Create a mnemonics for Krebs cycle substrates .
A: The energy for the body is derived from the metabolism of molecules such as carbohydrates, fats,…
Q: Denaturation results in the deactivation of the enzyme? A. True B. False
A: Ans)Enzyme structures unfold (denature) when heated or exposed to chemical denaturants and this…
Q: Suggest a reason why rubisco might be the most abundant enzyme in the world.
A: Rubisco is the key enzyme responsible for photosynthetic carbon assimilation in catalysing the…
Q: Using enzyme kinetics, illustrate the cooperative behavior of allosteric enzymes (plot of reaction…
A: Enzyme is basically biocatalyst that increase the rate of chemical reaction without itself being…
Q: A Without inhibitor
A: Inhibitors are the molecules that make the enzyme inactive. Enzyme activity is decreased or…
Q: a) ; Construct a Lineweaver -Burk plot using the kinetic data shown in Table 1.. Determine Vmax and…
A: Michaelis menten constant, Km is the substrate concentration required to produce half maximum…
Q: Enzymes have three distinctive features: catalytic power, specificity, and regulation. Briefly…
A: ENZYMES : It is defined as proteins that can accelerate chemical reactions by acting as a biological…
Q: Suggest, which enzyme pathway come into play
A: Phenylalanine is an aromatic and non-polar amino acid, it is both glucogenic (Fumarate) and…
Q: Reaction rates are linked to standard free energy change, DGº, for biochemical reactions.
A: Biochemistry is a branch of biology that deals with the structure, function and interactions of…
Q: Suggest a reason why heating a solution containing an enzyme markedly decreases its activity. Why is…
A: Enzymes are proteins. They are biocatalyst that increases the rate of a reaction. Enzymatic activity…
Q: Enzymes display a very high degree of ________________, which is the ability to discriminate between…
A: Enzymes function as biological catalysts. They speed up metabolic processes in cells by lowering the…
Q: Briefly explain the mechanism of action of enzymes.
A: Enzymes are a special type of protein that speed up chemical reactions in the body. They do this by…
Q: Km value of an enzyme
A: The study of the rates of enzyme-catalyzed chemical reactions is known as enzyme kinetics. here they…
Q: Identification of the active site of an enzyme: 2.1 Trapping the enzyme-substrate complex
A: Enzymes are organic substances, which acts as catalyst for specific chemical reactions in the body.…
Q: An enzyme with a low Km is considered to have a higher affinity for the substrate. Provide…
A: Michaelis–Menten proposed the enzyme kinetics model that describe the characteristics of the…
Q: You are required to isolate, purify and verify the purity of an enzyme from cytosol of a plant
A: Enzymes are usually composed of proteins which is specific for its substrate. It has immense…
Q: CH3CSCOA -02CCH2CSCOA O=
A: The reaction showed the carboxylation of acetyl-CoA to produce malonyl-CoA. This is a…
Q: Compare and contrast the actions of an allosteric effector, a competitive enzyme inhibitor, and a…
A: Brief comparison about allosteric effector, a competitive enzyme inhibitor, and a noncompetitive…
Q: The enzyme becomes denatured if the temperature is compared to its optimal temperature: O a. Too low…
A: Enzymes are the biomolecules that act as a catalyst in the biochemical reaction and can increase the…
Q: If you can clearly visualize the chymotrypsin mechanism of action, you should be able to picture the…
A: Enzymes are substance produced by a living organism which acts as a catalyst to perform specific…
Q: Most enzymes do not operate at their biochemical optima inside cells. Suggest why this is the case.
A: Most enzymes do not operate at their biochemical optima inside cells, this is because enzymes are…
Q: Please answer fast In an enzyme-catalyzed reaction, the rate of the reaction depends on which of…
A: Enzymes are biocatalysts which increase the rate of biochemical reactions. The rate of an enzyme…
Q: The class of the enzyme catalyzing the reaction shown in this figure is a(n) Choose the one best…
A: Given, that the enzyme can catalyse the conversion of glucose to glucose-6-phosphate by transferring…
Q: List down the properties of an ideal carrier matrix for enzyme immobilization.
A: Enzymes can be used as catalytic agents in medical and industrial applications. Such enzymes are…
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…
Q: a biochemical pathway in which c02 is converted onto organic compounds
A: Carbon dioxide is a colorless gas and it is composed of carbon atom which is covalently double…
Q: give the properties of the enzyme (e.g., shape, size, colour, price). a) amylase b) invertase
A: Enzymes are generally considered biological catalysts. This is because in presence of them a…
Q: Describe the characteristics of allosteric enzymes and explain how the kinetic curves of such…
A: Introduction: Allosteric enzymes change their conformational ensemble when an effector binds to…
Q: Using linear regression analysis, determine the values of Vmax and KM of the enzyme in the PRESENCE…
A: Michaelis menten constant, Km is the substrate concentration required to produce half maximum…
Q: Most enzymes do not operate at their biochemical optima in side a cell. Explain why.
A: Enzymes are typically protein molecules that speed up the rate of chemical reactions. In other…
Q: Most of the enzyme reactions followed the mathematical kinetic plots suggested by Michaelis-Menten…
A: Enzymes serve as biological catalysts that speed up reactions and increase the reaction rate by…
Q: difference between air-cooled and ice cooled enzyme as both had been pre-heated but one showed a bit…
A: Solution: In air cooled enzyme activity of enzyme is more than ice cooled enzyme.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- i. Name process T. ii. State what happens at U iii. Describe briefly the events that take place during process V.21. The heart of Peter Mitchell’s theory of chemiosmosis implies that the connection betweenelectron transport and the synthesis of ATP is indirect. Explain this statement.Calculate the rate enhancement for the enzyme pair: Enzyme 1: Kcat (sec-1)= 5.5 KM (µ M) = 1245 Kcat / KM = 0.00442 (µ M-1 sec-1) Enzyme 2: Kcat (sec-1)= 3.2 KM (µ M) = 1785 Kcat / KM = 0.00179 (µ M-1 sec-1)
- An enzyme has a maximal Velocity of 110.36 uM/s. At a substrate concentrationof 8.5 uM/s. What is Km in uM? Thank You!The transport of aspirin (pKa = 3.5, structure shown here) from the digestive tract to the circulation occurs by nonmediated absorption into cells lining the stomach (where pH = 0.8) and the small intestine (where pH 6.0). Do you expect absorption to be faster in the stomach or in the small intestine?Identification of the active site of an enzyme: 2.1 Trapping the enzyme-substrate complex
- An enzyme has a rate enhancement of 1.3x106. Calculate the value of ΔΔG‡ at 25.0 °C in kJ mol-1. (Hint: be sure to pay attention to units and signs.) (R = 8.3145 J mol-1 K-1)Consider the enzyme, ATCase. All are true except: It's K effectors are ATP and CTP It is a K system enzyme. Plots of V versus [S] are sigmoidal Plots of 1/V versus 1/[S] are sigmoidal.The sodium/calcium exchanger (NCX) transports sodium into and calcium out of cardiac muscle cells. Describe why this transporter is classified as secondary active transport.