Draw the pH–activity profile for an enzyme that has one catalytic group at the active site: the catalytic group is a general-acid catalyst with a pKa = 5.6.

Q: Suppose an enzyme and its substrate obey the lock and key model of enzyme catalysis. Which of the…

A: Ans. Option (a) is the correct option. only one substrate could be converted to product by the…

Q: The following grap shows the relationship between enzyme activity and both pH and temperature for…

A: (a).

Q: Draw the amino acids and peptide fragments formed when the decapeptide A–P–F–L–K–W–S–G–R–G is…

A: The amino acids and peptide fragments formed when the decapeptide A–P–F–L–K–W–S–G–R–G is treated…

Q: Draw the pH–activity profile for an enzyme that has one catalytic group at the active site: a. the…

A:

Q: which enzyme mostly carried the following reaction NH2 indomethacin desisopropyl indomethacin

A: Human hepatic cyctochromes are the enzymes situated in the liver that are involve in the primary…

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: Why is there a thermodynamic push toward enzyme-substrate complex formation when a nonpolar…

A: Interpretation -  To tell about why there is a thermodynamic push toward enzyme-substrate complex…

Q: A non-substrate molecule binds to an enzyme at the active site, causing the enzyme to stop working…

A: A non-substrate molecules binds to an enzyme at the active site causing the enzyme to stop working…

Q: An enzyme whose KM is 10-4 M in the presence of a substrate concentration of 10-2 M It is capable of…

A:

Q: With reference to enzyme action, explain what is happening in the diagram below based on the…

A: The activity of enzymes are based on pH as well as the on the reaction rate.

Q: Which substrate concentration range is best for determining the catalytic efficiency of an enzyme…

A: In enzyme catalyzed reaction the catalytic effeciency is defined as how efficiently enzyme converts…

Q: Calculate the specificity constant for an enzyme-catalyzed reaction if the total enzyme…

A: Given Etotal =  15 nMVmax  = 9 M/sKm = 150 MSpecificity constant = to be determined

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: An enzyme catalyzes the hydrolysis of an ester with a certain activity, but this activity is lost in…

A: Any enzyme can be categorised a certain protein which loses its activity at a certain temperature,…

Q: 49. Initial velocity is used to study enzyme kinetics because A. The substrate concentration…

A: Initial velocity is it used to study enzyme Kinetics because as the reaction proceed the substrate…

Q: 3. Some medications permanently inactivate their target enzyme by forming a covalent bond to an…

A: Given, drug is penicillin. The structure of penicillin is shown below: The active site in…

Q: The suffix (ending of the word) –ide is generally given to enzymes

A:

Q: Mention 5 amino acid side chains with catalytic function 2. Briefly describe 3 general catalytic…

A: By the combination of amino acid, formation of proteins takes place. It is help in to build protein…

Q: The enzyme aldolase catalyzes the conversion of fructose-1,6-diphosphate (FDP) to dihydroxyacetone…

A: Given that, the enzyme aldose catalyzes the conversion of fructose-1,6-diphosphate (FDP) to…

Q: The vast majority of serine protease inhibitors are competitive inhibitors. Which of the following…

A: Given statements, The Vmax of a reaction decreases in the presence of a competitive inhibitor. Km…

Q: The active site of an enzyme has a serine residue (shown below). Which of the following describes…

A: The structure of serine amino acid is as follows:

Q: A substitution of the amino acid phenylalanine for glycine at the active site of an enzyme would…

A: Answer

Q: OH HNL CN R' + HCN One of the proposed mechanisms for this enzyme is shown in the scheme below.…

A:

Q: The cyanide ion is extremely toxic because it interferes with the functioning of cytochrome oxidase…

A: Correct option is B.

Q: The pH–activity profile for glucose-6-phosphate isomerase indicates the participation of a group…

A: Acid activity profile is a representation of a curve with activity versus pH of the reaction. PKA…

Q: Question 33 Which statement is a TRUE description of a transition state inhibitor of an enzyme? a.…

A: 33. The transition state inhibitors of enzyme binds covalently and show  irreversible interaction…

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

A:

Q: Draw the pH–activity profile for an enzyme that has one catalytic group at the active site: The…

A:

Q: 22 What class of enzyme catalyzes each of the following reactions? (a) OH CH3CHCO,- CH3CCO,- (b) Он…

A:

Q: Which of the following is the most reasonable explanation for why the curve on the graph below does…

A: Enzymes are biological catalysts. They can increase the rate of a reaction. The enzymes are mostly…

Q: Q3: Amylase in saliva begins the digestion of starch in the mouth . Would you expect this enzyme to…

A: A question based on general chemistry that is to be accomplished.

Q: .) If the optimum temperature of a particular enzyme is 33°C, which of the following will likely…

A: Ans (E) Optimized temperature of the enzyme is the maximum temperature at which enzyme shows maximum…

Q: 12.) The active site of an enzyme A) cannot be identified from the protein’s primary structure C)…

A: An enzyme is a substrate which increases the reaction rate of a reaction by decreasing the…

Q: 42.) On a Lineweaver-Burk plot, a changing slope upon addition of increasing concentration of…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 15.) On a Lineweaver-Burk plot, a changing y-intercept upon addition of increasing concentration of…

A: Enzymes are the specific catalyst that is used in biochemical reactions. The kinetics of enzymes is…

Q: Enzymes that display non Michaelis-Menton behavior: are multi subunit exists in relaxed (R) and…

A: Enzymes with more subunits do not follow the Michaelis Menton equation.

Q: Carbonic anhydrase is an enzyme that catalyzes the conversion of carbon dioxide to bicarbonate ion…

A: Carbonic anhydrase is an enzyme establish in the red blood cells. It catalyzes the reaction CO2 and…

Q: 2. What class of enzyme would expect to catalyze the following reaction? NCHCNHCHO H,NCHCOH H,NCHCOH…

A: Class of enzyme defined by their respective function.

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: (b) What is the function of the enzyme cis-trans isomerase? add a functional group in the…

A: (b) Given enzyme,        cis-trans isomerase

Q: How does changing the concentration of enzyme at a fixed concentration of substrate affect the rate…

A: The rate of reaction depends on the number of enzymes present and the substrates concentration.

Q: #6

A: The inhibition of urease in the presence of Hg, Cd or Cd (which forms metal ions) implies that ions…

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

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

Q: 8. Calculate the rate enhancement that could be accomplished by an enzyme forming one low-barrier…

A: we know that,  The free energy of one low-barrier hydrogen bond = -79 kJ/mol as per the literature.…

Q: Make the best matches to the following three terms. noncompetitive inhibitor inhibitor competitive…

A: The biochemical reactions are catalyzed by some catalyst which are known as enzymes.

Q: 9. How would the following changes affect enzyme activity for an enzyme whose optimal conditions are…

A: An enzymes  works effectively  at a physiological  temperature  of body and at physiological  pH ,…

Q: A substance that can bind to an enzyme at a location other than the active site and increase or…

A: A substance that can bind to an enzyme at a location other than the active site and increase or…

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.