A measure of how many substrate molecules can be converted into product by an enzyme molecule is called: O a. Activation energy. b. Turnover number. O c. Catalytic speed. d. Heat of reaction.
Q: Enumerate the factors affecting enzyme catalysis and briefly explain each. And how does the…
A: Introduction: The process of enzyme catalysis occurs when a biological component, often an enzyme,…
Q: Enzymes catalyze chemical reactions by which of the following?a. lowering the energy of activation…
A: Enzymes which do chemical reaction for growth and development of the body is also made up of…
Q: Enzymes increase the rate of chemical reactions by: Select one: a. Temporarily increasing the…
A: Option d By decreasing the activation energy
Q: Potassium cyanide is a poison which combines with cytochrome A3 to prevent binding of oxygen to the…
A: DISCLAIMER: Since you have asked multiple questions, we have solved the first question for you. If…
Q: What is it called when the final product of an enzymatic pathway acts as a modulator for the first…
A: enzymes are the biocatalyst of the reaction.
Q: Which of the following types of inhibitors binds to the active site of an enzyme? Select one: a.…
A: Inhibitors are the substances that bind the enzyme and decrease the catalytic activity of the…
Q: Enzymes have similar responses to both changes in temperature and pH. The effect of both is on the…
A: Enzymes are the biological polymers which are formed from the tertiary structure of the protein…
Q: Create a graph illustrating the activity of an enzyme or rate of reaction with the different factors…
A: The rate of reaction increases as the enzyme concentration rises. Because the rate of an…
Q: Which of the following is NOT true of enzymes? A. Made of protein B. Made of carbohydrates C. React…
A: Introduction:- Enzymes are also known as biological catalyst. These hasten up the speed of the…
Q: Enzyme function is often assisted by non-protein helpers or adjuncts, for catalytic activity. A ___…
A: Enzymes are the protein molecules which are of biological origins or sometimes may be produced…
Q: Molecule A is the substrate for the enzyme shown below. What process is diagrammed in this figure?…
A: B) allosteric inhibition is the correct answer.
Q: Based on the image attached, what can be concluded from the graph of enzyme activity? A. No enzyme…
A: The proteinaceous substances that catalyze chemical reactions of biological origin are known as…
Q: what is the first step in an enzyme-catalyzed reaction? a. formation of enzyme-substrate complex…
A: Biomolecules are organic molecules present in living organisms. There are mainly four main…
Q: An allosteric site is the location on an enzyme’s surface wherea. the substrate binds.b. the signal…
A: Answer is a.) substrate .
Q: Explain the difference in progress between a chemical reaction involving an enzyme and one not…
A: Introduction Proteins that serve as biological catalysts are known as enzymes. Catalysts help to…
Q: Explain why enzymes are considered “biological catalysts” Use the following terms in the…
A: Enzymes are proteinaceous molecules that are present in living systems. Their main function is to…
Q: The mechanism in which the end product of a metabolic pathway inhibits an either step in the pathway…
A: Metabolic pathway is basically a series of several chemical reaction that occurs in the cells. Are…
Q: In competitive inhibition, can both the inhibitor and the substrate bind to an enzyme at the same…
A: Enzymes are substances that aid in increasing the rate at which a reaction occurs. It does so by…
Q: Which of the following statements concerning metabolism and metabolic reactions is…
A: The concept of energy flow in living organisms is explained by the term bioenergetics. In the living…
Q: The enzyme can affect the following factors in a reaction: O a. The forward and reverse rates of the…
A: Enzymes are the biomolecules that can act as catalyst in the biochemical reactions and can increase…
Q: Choose only the letter, no explanation needed. Enzyme activity is affected by a variety of factors.…
A: Enzymes are also known as biological catalyst.
Q: Enzymes provide activation energy for the chemical reactions. * A. True B. False
A:
Q: Choose the best answer for the following question? Enzymes catalyze chemical reactions by which of…
A: Enzymes are biological catalysts that have the ability to increase the rate of metabolic reactions…
Q: An exergonic reaction has which of the following properties? A) The △G is negative and the…
A: The Gibbs free energy is the usable energy stored within a system. The change in free energy is…
Q: The rate of a reaction catalyzed by an enzyme would NOT be affected by (A) pH (B) temperature (C)…
A: An enzyme is a kind of biomolecule that may be produced biologically (naturally occurring) or by…
Q: Match the definition to the term: v Choose... Temporary molecule that is formed when substrate…
A: enzymes are biological molecules which are mainly formed of protein . they helps in reducing rate of…
Q: is when one substrate molecule primes an enzyme to act on additional substrate molecules more…
A: Enzymes are proteins that act as biological catalysts. Catalysts accelerate chemical reactions. The…
Q: Read each pair of sentences and then CH in UPPERCASE. A. Both statements are true. B. The first…
A: Gibbs free energy is indicated by G and change in Gibbs free energy is denoted by ∆G. It tells…
Q: _________ fit is substrate binding which induces a conformational change in an enzyme, that improves…
A: Enzymes permit numerous chemical reactions to happen inside the homeostasis imperatives of a living…
Q: The following statement can be said about enzymes: A. lowers activation energy of reactions B.…
A: Enzymes are proteins that are involved in speeding up the chemical reaction rate in living…
Q: Describe two catalytic mechanisms of enzymes
A: The rate of a reaction is directly proportional to the enzyme concentration present. The enzymes…
Q: Choose the wrong statement: Select one: O a. Competitive inhibitors competing with the substrate O…
A: Enzymes are the biological catalysts, that increase the rate of a chemical reaction. The enzymes may…
Q: When testing the effect of substrate concentration on the reaction rate, there comes a point at…
A: Enzyme-substrate reaction Enzymes are the biological catalysts that increase the rate of reactions.…
Q: Which of the following statements is not true about enzymes?*
A: Enzymes are usually composed of proteins and it works as a catalyst to speed up the biochemical…
Q: What is the minimum amount of energy required to start a chemical reaction? A. Activation energy…
A: Collision theory says that for a reaction to occur ,there must be colliding of molecules with…
Q: substrate A active site products substrate enzyme enzyme enzyme enzyme-substrate complex 1. What is…
A: Typically, a substrate is the chemical species detected in a chemical reaction that reacts with a…
Q: If you wanted to improve the catalytic efficiency of an enzyme, what changes might you make to the…
A: Knowledge of basic enzyme kinetic theory is essential to understand the basic enzymatic Mechanism…
Q: hich of the following statements regarding enzymes is true? A. Enzymes decrease the free energy…
A: Enzymes are the biological catalysts. It is a type of protein found within a cell. Enzymes HELP IN…
Q: Which of the following best describes the relationship between an enzyme and a substrate a. stable…
A: Given: All enzymes are chemically made-up of proteins .Enzymes are the largest and most specialised…
Q: Enzymes speed up a reaction by: Select one: a. Decreasing the amount of activation energy needed to…
A: Enzyme are substances that are proteinaceous nature and tend to fasten the rate of reaction when…
Q: Explain why using higher concentration of substrate does not produce a significant change in the…
A: Enzymes are catalysts that help speed up the rate of a chemical reaction. They do so by lowering the…
Q: Which of the following factors affect enzyme activity? O a. All of the mentioned answers are correct…
A: Enzymes are biological catalysts that increases the rate of chemical reaction without itself being…
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: Explain why using higher concentrations of substrate does not produce a significant change in the…
A: Enzymes catalyze biological reactions by causing an increase in the rate of reaction. They decrease…
Q: Define the following terms: a. catalytic dyad b. transition state theory c. hydroxide ion catalysis…
A: BASIC INFORMATION ENZYMES They are the catalyst. They help in accelerating the chemical reaction.…
Q: a) How do enzymes catalyze (increase the rate of) reactions? b) What does it mean that enzymes are…
A: Enzymes are essential biological molecules that accelerate (catalyzes) a chemical reaction without…
Q: Which of the following is incorrect about an enzyme-catalyzed reaction? a. Its progress can be…
A: Enzymes are biocatalysts that catalyze biochemical reactions in the cell. There are various enzymes…
Q: Based on the given question which of the following choices is the correct answer? A. The enzyme's…
A: Enzymes are protein molecules that increase the rate of reaction by decreasing the activation energy…
Step by step
Solved in 2 steps
- Match the following terms with the best definition. Enzyme Product Substrate Active Site A. A macromolecule serving as a catalyst. B. A material resulting from a chemical reaction. C. The reactant on which an enzyme works. D. Location on an enzyme where the reaction is catalyzed.Identify the conditions that may affect enzyme activity in a reaction. SELECT ALL THAT APPLY A. Increasing Temperature B. Decreasing Substrate C. Lack of coenzyme D. Decreasing pHINSTRUCTIONS - Answer the following multiple-choice questions and EXPLAIN in 3-5 sentences why you chose that answer. Answer properly -
- Factors that affect the activity of an enzyme molecule includea. the potential energy stored in the reactant molecules.b. size of the cell.c. temperature and pH.d. entropyAn enzyme has a single active site at which it can bind and hydrolyze either X or Y but the enzyme cannot bind X and Y at the same time. Which of the following statements are TRUE? Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation. SHOW MORE The Km for X will be affected if Y is present in the reaction mixture. a Y is a competitive inhibitor of X. The Km for X will increase. d The Vmax for X will be affected if Y is present in the reaction mixture. pH dependence of Vmax reflects the ionization state of catalytic site residues. e Consider the following: X and Y are methanol (poisonous) and ethanol respectively. If the Km for X= 0.01 M and the Km f for Y = 0.001 M then 0.01 M Y is 10 times the concentration of Y required for 0.5 Vmax. Addition of an enzyme to a chemical reaction increases the ratio of products to reactants (Ken). A mutation in the active site of an enzyme resulting in a large increase in…If a competitive inhibitor of an enzyme is added to the mixture of the enzyme and its substrate, the inhibitor will: O a. decrease the value of Vmax for the chemical reaction catalyzed by this enzyme O b. decrease the value of KM for the chemical reaction catalyzed by this enzyme O c. increase the value of KM for the chemical reaction catalyzed by this enzyme O d. increase the value of Vmax for the chemical reaction catalyzed by this enzyme
- Which of the following statement about the enzyme thermodynamics is TRUE? a. Enzymes increase the activation barrier (∆G cat) of the products b. Enzymes decrease the activation barrier (∆G cat) of the products c. Enzymes decrease the free energy (∆G) of the products d. Enzymes decrease the free energy (∆G) of the reactants e. Enzymes increase the activation barrier (∆G cat) of the reactantsThe enzyme activity is: A. to The number of grams of substrate that react to form product, per mole of enzyme, per unit of time. b. The number of moles of substrate that react to form product, per gram of enzyme, per unit time. c. The number of moles of substrate that react to form product, per mole of enzyme, per unit time d. The number of grams of substrate that react to form product, per gram of enzyme, per unit of time.Which of the followingdescribe superior properties of enzymes (biological catalysts) over traditional chemical catalysts? a. They are mostly and generally operative under mild temperature, pressure, and pH conditions b. They are regulated only by substrate concentration c. They do not effect the reaction equilibrium, but lower the reaction's activation energy d. They are recycled at the end of the reaction Choose all that apply
- Which of the following statements concerning enzymes is TRUE? a. Enzymes can increase the equilibrium constant of a reaction by 1000-fold. b. The activity of many enzymes can be regulated. c. Many enzymes are consumed in the reactions they catalyze. d. The rate of enzymatic catalysis is independent of pH.Which of the following will happen if the concentration of an enzyme increases for a given substrate?? a. the reaction rate increases similarly b. the rate of the reaction decreases to a point. c. there is no change in the reaction. d. the turnover number decreases at the same rate that the enzyme concentration increases. e. the reaction stops.All of the following are accurate about enzymes except: A. Enzymes are typically globular proteins with an active site B. Enzymes decrease activation energy C. Enzymes can be used over and over to catalyze a substrate to a product D. Enzymes are versatile and can catalyze different types of chemical reactions