What do we mean when we say an enzyme is saturated with substrate? When an enzyme is saturated with substrate, how does adding more (a) substrate and (b) enzyme affect the rate of the reaction?

Q: Why are certain drugs called enzyme inhibitors?

A: Enzyme analysis is an important tool for medical diagnosis. It measures the activity of an enzyme…

Q: Assuming an excess of substrate, if the enzyme concentration is doubled in a reaction vessel, the…

A: Applying concept of enzyme catalysis.

Q: Summarize three ways in which an enzyme might lower the energy of a activation of a raction

A: The three ways in which an enzyme might lowe the energy of activation of a reaction are as follows:

Q: Classify the following as relating to an active site, the lock-and-key model, or the induced-fit…

A: Solution :              The structure of an enzyme can be explained by two models as given below…

Q: Consider the following figure for the reaction A A+B C+D Progress of the reaction Is this reaction…

A: Catalysis is the process of altering the rate of a chemical reaction by adding a susbtance known as…

Q: What is the transition state in an enzyme- catalyzed reaction.

A: During the enzyme catalyzed reaction, the enzyme increases the rate of reaction. The enhancement of…

Q: Uninhibited enzyme enzyme + inhibitor Substrate Concentration The graph above measures the rate of…

A: For competitive inhibition, enzyme activity should increase with increasing substrate concentration

Q: Penicillin binds to transpeptidase thereby preventing enzyme activity. A) If penicillin binds at the…

A: Note : Since you have asked a question with multiple sub-parts, we will do the first three…

Q: turnover number of an enzyme related to Vmax cal mechanics

A: This is multiple questions. As per the guidelines, we are allowed to solve the first question if we…

Q: Substrate Enzyme-substrate comp 1. Is this an example of a lock & key or induced fit model of an…

A: We proceed to answer the question as follows-

Q: Explain the distinction between a general acid catalyst and a specific acid catalyst. Explain how an…

A: General  acid catalyst- General the acid catalyst is involved in an equilibrium prior to the…

Q: Part B Complete this vocabulary exercise relating to enzymes. Match the words in the left column to…

A:

Q: Which statement BEST explains why enzymes bind to specific substrates? An enzyme can be inhibited so…

A: Enzymes Coined by Kuhne in 1878.  Popularly known as biological catalysts.  Metabolic and cellular…

Q: c) Will the rate of the reaction increase, decrease or remain unchanged when additional enzyme…

A: The enzyme substrate reaction takes place in two steps and the reaction mechanism is, The…

Q: Define the optimum pH for enzyme activity.

A: The optimum pH for enzyme activity is defines as follows:

Q: How are blood enzyme levels used to diagnose certain diseases? Give an example of a specifi c…

A: Enzymes are proteins that act as Bio-catalyst. These biomolecules accelerate the rate of chemical…

Q: In an enzyme mechanism that generates a negative charge in the transition state, which of the…

A: 1)Since the transition state formed is negatively charged, then it will be stabilized by some sort…

Q: Select ALL of the following statements that correctly describe how an enzyme lowers the activation…

A: Concept - Catalyst is a substance that increases the rate of a reaction without itself being…

Q: Many drugs are competitive inhibitors of specific enzymes. For drugs that act as competitive…

A: The branch of chemistry which deals with the physical or chemical interactions of two substances on…

Q: 10. For the chart of enzyme activity: a. At what temperature does this enzyme have the highest…

A: Analysis-  Enzyme activity which indicate the rate of reaction catalysed by that enzyme. Enzyme…

Q: Regarding the effect of substrate concentration on enzyme activity 20. Regarding the effect of…

A: Catalysts are the chemical compounds which are used to increase the rate of the reaction. When the…

Q: To determine the initial reaction rates of an enzyme, the substrate, enzyme and buffer are required.…

A: Enzyme catalysis Enzyme catalysis takes place in two steps. First step is binding of enzyme to…

Q: The enzyme responsible for the rapid formation of H2CO3 in the RBCs is: Group of answer choices…

A:

Q: A particular enzyme's activity is low at high pH but increases at lower pH. These data suggest that…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How is the maximal rate of the enzyme changed in the presence of an inhibitor?

A: Maximum rate of reaction is characteristic of a particular enzyme at a particular concentration and…

Q: 1. Draw a line graph to represent the data. Compare the two enzymes. % Activity of % Activity of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: There are 4 factors that will affect the activity of an enzyme; temperature, pH, substrate…

A: There are 4 factors that will affect the activity of an enzyme , temperature, pH , substrate…

Q: 7. Which modification of the reaction environment will increase the rate of reaction in which an…

A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: Explain why an irreversible inhibitor of an enzyme might be more toxic to humans than a reversible…

A: Enzyme are the biological catalyst. The inhibitor is the molecule that binds to an enzyme and…

Q: Which of the statements about enzymes are true? Generally, an enzyme is specific for a particular…

A: Five statements regarding enzymes and their functions are given and we have ti identify whether…

Q: Explain how an enzyme is able to catalyze the synthesis of of a large molecule from two smaller…

A: An enzyme is able to catalyze the synthesis of a large molecule from two smaller molecules have to…

Q: Enzymes that are allosterically regulated Select one: a. Are multimeric proteins b. Do not behave…

A: Enzymes are biological catalysts that function to speed up the rate of reaction by reducing the…

Q: Activation of a zymogen is by covalent modification. How might phosphorylation or dephosphorylation…

A: There are two modes of enzyme regulation by covalent modification-removal of covalent bonded portion…

Q: irreversible enzyme

A: Enzyme inhibitors are the chemical compound that decrease the rate of velocity of an…

Q: An enzyme that catalyzes the reaction of only one substrate is called Stereochemical specificity…

A:

Q: Chymotrypsin is secreted by the pancres and passed into the intestine. The optimal pH for this…

A: Chymotryspin is an enzyme used to break down the protein in the small intestine.  Trypsin is  used…

Q: You are purifying an enzyme and notice that your sample has a lower activity at each step, yet the…

A: We know that the specific activity indicates how much of the total protein is the enzyme we are…

Q: - MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following best describes the…

A: Introduction :-  Catalyst :-  Catalyst is a substance which increase the rate of reaction without…

Q: Is the inhibitor competitive, uncompetitive or non competitive and why?

A: Competative inhibiton- The inhibitor Binds only free enzyme. Binding occur only free enzyme. Non…

Q: Unlike catalysts, what added characteristics do enzymes have? or to Substrate specificity,…

A: In what manner enzyme differ from catalyst....

Q: An enzyme has an optimal pH of 7.1 and an optimal temperature at 37° C. Which statement describes a…

A: Given, An enzyme has an optimal pH of 7.1. An optimal temperature of 37oC. At a constant temperature…

Q: How does the metal ion in carboxypeptidase A increase the enzyme’s catalytic activity.

A: Carboxypeptidase-A enzyme is a pancreatic exopeptidase that hydrolyzes the terminal peptide bonds of…

Q: What is an antioxidant enzyme? Why is catalase considered to be an antioxidant enzyme?

A: Antioxidant enzyme -  The proteins involved in the catalytic transformation of reactive oxygen…

Q: What is the important values needed to calculat Km and Kcat afor an enzyme data?

A: We have to tell the important values are needed to calculate the Km and Kcat for an enzyme catalyzed…

Q: The enzyme d-amino acid oxidase has avery high turnover number because the d-amino acids are…

A:

Q: 1. Which of the following DOES NOT describes enzymes? A. A specific enzyme can react with different…

A: (1) Correct answer is : (A) A specific enzyme can react with different substrates. This is not the…

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.