What is the optimum temperature (degrees Celsius) for the enzyme activity? choices: a,b,c,d,e At what temperature when the enzyme was totally denatured? choices: a,b,c,d,e The graph shows that enzymatic activity is directly proportional to temperature from point A to E.  choices: Agree or Disagree

Q: An experiment on enzyme-catalyzed reaction was conducted in the laboratory by a student. Results…

A: One of the important models in enzyme kinetics to calculate the rate of enzymatic reaction is the…

Q: The diagram shows the mechanism of a general enzyme‑catalyzed reaction. Put the labels in the…

A: The enzyme is a biocatalyst that speeds up the reaction without taking part in the reaction by…

Q: In First order, the rate of reaction would be . ., if the concertation of an enzyme is increased by…

A: The reaction may be classified according to the order of reaction, which is the number of reacting…

Q: The rate of an enzyme- catalyzed reaction increases as the temperature is raised beyond optimum…

A:

Q: rate at an extremely high temperature

A: Enzyme activity is being measure by a property of enyzme that is able to increase reaction rate as…

Q: if one continues to increase the temperature in an enzyme-catalysed reaction, the rate of the…

A: Every enzyme consists of an active site. The molecule which will react with the enzyme and bind to…

Q: Each enzyme is able to promote only one type of chemical reaction. The compounds on which the enzyme…

A: Introduction Enzyme activity:- It is a measure of the quantity of active enzyme present and is thus…

Q: an enzyme acts on a substrate X. The enzyme exists in four different forms, with different catalytic…

A: Enzymes are proteins that can act as biocatalysts. Substrates bind to the active site of the enzyme,…

Q: The two types of enzyme activators are cofactors or coenzymes. True or false

A: The two types of enzyme activators are not cofactors or coenzymes which is true. Coenzymes and…

Q: 10 20 30 40 50 60 70 80 Temperature (°C)

A: Enzyme activity is influenced by many factors such as temperature, pH, concentration of the…

Q: Which of the following affects the rate of enzyme driven reaction? rate constant air pressure…

A: Enzymes: Enzymes are biocatalysts that fasten the rate of a chemical reaction. It is proteinaceous…

Q: 4. How would you summarize the effect of enzyme concentration on enzyme activity?

A: Enzymes are biological catalysts that increase the rate of reactions taking place in the living…

Q: 2. A student wants to test the effect of temperature on relative enzyme activity. The table below…

A: The sum of protein units per ml isolated by the protein concentration in mg/ml is known as specific…

Q: In an enzyme-catalyzed reversible reaction what happens when a) rate of change of enzyme-substrate…

A: Enzyme is a biochemical substance mane up of proteins mostly that increases the rate of a…

Q: An enzyme will work best in its optimum ( most favorable) pH, which is different for every enzyme.…

A: Changes in pH have an impact on enzymes. The optimal pH is the most beneficial pH value - the point…

Q: Molecule A is the substrate for enzyme X. Which is more likely to be a competitive inhibitor of…

A: Competitive inhibition is interruption of a chemical pathway owing to one chemical substance…

Q: The turnover number of an enzyme (kcat) is calculated by dividing the maximal velocity by the enzyme…

A: Enzymes are the biocatalyst that accelerates the rate of reaction. They do this by lowering the…

Q: graph shows the reaction coordinate of an enzymatic reaction of substrate to product a) which number…

A: When substrate converts into product Activation energy is required. Activation energy is the minimum…

Q: What is the CORRECT sequence of events to activate an enzyme? Group of answer choices a.…

A: Enzymes are biological molecules that are a class of proteins except for ribozymes (a class of RNA)…

Q: Since KM is an intrinsic property of an enzyme, its value does not depend on the enzyme…

A: Km is the Michaelis constant. It is defined as the substrate concentration at which half of the Vmax…

Q: Which of the following can cause the rate of enzyme activity to increase? Increasing the temperature…

A: Catalysts are those substances that increase the rate of the reaction without undergoing any change…

Q: (s) mM

A: Given graph is a double reciprocal plot or Lineweaver plot. The graph is plotted between reciprocal…

Q: In the induced-fit model of enzyme action, the active site on the enzyme provides an exact fit for…

A: Enzyme are substances that catalyze chemical reactions. They bind to reactant molecules, called…

Q: For reactions to occur there needs to be what level of substrate and enzyme concentrations? Select…

A: When an enzyme comes into perfect contact with its substrate, a temporary molecule called the enzyme…

Q: When the enzyme hexokinase binds to glucose and ATP it undergoes a conformational change. All of the…

A: During enzyme substrate binding, the active site of enzyme binds to the substrate. There is induced…

Q: Enzyme X and enzyme Y catalyze the same reaction and exhibit the νo versus [S] curves shown below.…

A: Enzyme kinetics reaction comprises of the interaction between the enzyme and the substrate…

Q: We can increase the rate of a reaction by decreasing the activation energy. And, we can do it by…

A: The activation (Ea) energy is considered as the amount of energy, which is required to break the…

Q: If an active site of an enzyme is mutated so that it no longer works, what do you think the effect…

A: Enzyme These are biological catalysts that speed up the rate of the biochemical reaction. Most…

Q: Which of the following do enzymes change?∆G ; reaction rate; types of product generated; activation…

A: Enzymes are protein molecules except for ribozyme that is composed of RNA. Enzymes have a catalytic…

Q: competitive inhibitor competes with substrate for binding to the active site of the enzyme. The…

A: Competitive inhibitors block reaction progress by binding to enzyme at the active site, and…

Q: In which of the following is the pairing between enzyme type and enzyme function incorrect? mutase -…

A: Enzymes are proteins that enable our bodies' metabolism, or chemical reactions, to go more quickly.…

Q: Fill in the blanks: Write Cif only statement A is correct, Hif only statement B is correct, E if…

A: M is the correct answer as both the statements are correct. In enzyme catalyzed reactions, substrate…

Q: Please handraw this graph with all the necessary detailed information:   Imagine that I text enzyme…

A: The graph is as shown in the white-board.

Q: This covers how temperature and pH affect the rate of enzyme catalyzed reactions. 1. Consider the…

A: Many metabolic pathways exist in the human body to maintain equilibrium. Inside the cell, metabolic…

Q: Use graphs to illustrate enzyme activity as a function of the following: II. a. Substrate…

A: Enzymes are the biocatalyst that is required for most of the processes occurring inside the living…

Q: Figure #1 and #2 show the results collected from a fun enzyme activity lab that did NOT involve the…

A: Introduction Enzymes are known as biocatalyst. Chemically enzymes are protein.  It increases the…

Q: The turnover number of an enzyme catalyzed :reaction is equal to .K2 .a O .K1 .b O .K3/1 .c O .K3 .d…

A: A general enzyme catalyzed reaction is designated with the mechanisms shown below: E+S↔ES→E+P Here,…

Q: Which class of enzymes have sigmoid or S-shaped plots of the rate of a reaction, v, versus the…

A: Enzymes are a class of proteins that elevates the chemical reactions without undergoing any change…

Q: At high temperature the rate of an enzyme action decreases because the increased heat?

A: Biological catalysts that accelerate reactions are called enzymes. They are unique to the substrate.…

Q: One way of expressing the rate at which an enzyme can catalyze a reaction is to state its turnover…

A: Turnover number kcat of an enzyme is defined as the maximal number of molecules of substrate that is…

Q: An enzyme A is most active at 37oC. Which of the following change will increase the activity of A?…

A: Enzymes are catalysts that are globular proteins. These catalysts influence the rate of a reaction…

Q: enzymes increase the rate of a chemical reaction by  increasing the amount of activation energy…

A: Introduction  Proteins that operate as biological catalysts are known as enzymes. Catalysts help to…

Q: Define 'activation energy' of an enzyme catalysed single substrate reaction and mention the effects…

A: Activation energy- The difference in free energy between the transition state and the reactants is…

Q: How does changing the concentration of an enzyme affect the rate of decomposition of a substrate?…

A: Introduction: Enzymes are proteins that act as a catalyst which means they increase the rate of…

Q: An inhibitor was added to an enzyme and the expected rate of the reaction was not detected and the…

A: for the above statement

Q: In a reaction, if the substance concentration equals Km and concentration of inhibitor equals Ki,…

A: Given Values: [S] = Km [I] = Ki

Q: pH Rate of reaction

A: Optimum pH is the pH of the enzyme where the activity is maximum. Where a change in pH alters the…

Q: Which of the following characteristics of the transition state is false? The number of noncovalent…

A: Transition state is the state in chemical reaction in which the reaction is maximum  where the…

Q: Which of the following statements is true about effect of substrate concentration on enzyme activity…

A: The formation of an enzyme-substrate complex is the first step in enzymatic catalysis. The enzyme…

Q: Discuss the following statement: “enzymes and heat are alike in that both can speed up reactions…

A: Enzymes are a crucial part of the biological environment. They work only at optimum temperature.…