Homework Answers
An allosteric activator
Note - those regulation where activatir bind to enzyme at allosteric site to stabilize it and attract more of substrate foe enzyme sctivity .
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QUESTION 16 A molecule that binds to an enzyme and stabilizes its active form is most...
An allosteric inhibitor binds to the _____________ site and stabilizes the inactive form of the enzyme.
An allosteric inhibitor binds to the _____________ site and stabilizes the inactive form of the enzyme.
Zinc, an essential trace element for most organisms, is present in the active site of the...
Zinc, an essential trace element for most organisms, is present in the active site of the enzyme carboxypeptidase and is required for its activity. Zinc most likely functions as an) O Competitive inhibitor of the enzyme Electron shuttle molecule Allosteric activator of the enzyme Cofactor necessary for enzyme activity Non-competitive inhibitor of the enzyme
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site...
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site on the enzyme that is not the active site. 2. Insecticides and nerve gases act as irreversible inhibitors of nerve conduction. an enzyme needed for 3. A inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate. 4. Usually, an nhibitor forms a covalent bond with an amino acid side group within...
A competitive inhibitor is a molecule that: Preferentially binds to an enzyme at a site other...
A competitive inhibitor is a molecule that: Preferentially binds to an enzyme at a site other than the active site Enhances the catalysis of an enzyme Binds to an enzyme and increases the bind strength of the substrate Binds to the active site and blocks the substrate More than one of the above.
BIOCHEMISTRY PALA (shown below) binds to the active site of ATCase and is an important probe...
BIOCHEMISTRY
PALA (shown below) binds to the active site of ATCase and is an
important probe molecule to study ATCase regulation. PALA acts as
_______________ type of inhibitor and acts to stabilize the
__________-state of the enzyme.
PALA{N-(phosphonasetyl)-L-aspartate.
A) uncompetitive/T
B) competitive/T
C) Uncompetitive/R
D) Competitive/R
E) Noncompetitive/R
HN Cooc Jacooo
A noncompetitive inhibitor O sits on the active site of an enzyme blocking the subtrate inactivates...
A noncompetitive inhibitor O sits on the active site of an enzyme blocking the subtrate inactivates an enzyme by binding to the allosteric site on an enzyme and changing the shape of the active site. lowers the activation energy of the chemical reaction its involved in All of the above npu Reset Selection
Which of the following can bind to an enzyme at its active site? Select one: a....
Which of the following can bind to an enzyme at its active site? Select one: a. more than one correct response b. irreversible inhibitor c. reversible competitive inhibitor d. reversible noncompetitive inhibitor
A pharmaceutical research group is studying the allosteric regulation mechanisms for an enzyme involved in kidney...
A pharmaceutical research group is studying the allosteric regulation mechanisms for an enzyme involved in kidney cancer. They perform a number of different assays and make the following observations. Using these observations, determine whether the model is most consistent with a. induced-fit/sequential b. MWC/symmetry c. both models Observations: -the enzyme's allostertic activator binds to an allosteric site located 1.5 nanometers away from the active site. -when the allosteric activator binds to the allosteric site, NMR signals indicate that a significiant...
Quiz Instructions Question 31 2 pts The K system for allosteric enzymes is most similar to...
Quiz Instructions Question 31 2 pts The K system for allosteric enzymes is most similar to which of the following? A single subunit enzyme that has a noncompetitive inhibitor A single subunit enzyme that has a competitive inhibitor A multi-subunit enzyme that has no inhibitor A multi-subunit enzyme that operates by Michaelis-Menten kinetics
Exact question An inhibitor that binds to the active site and ends up forming a permanent...
Exact question An inhibitor that binds to the active site and ends up forming a permanent covalent bond with an enzyme is a (select all that apply) 1) irreversible inhibitor 2) competitive inhibitor 3) transition state analog 4) mechanism based inhibitor 5) reversible inhibitor
Zinc, an essential trace element for most organisms, is present in the active site of the enzyme carboxypeptidase and is required for its activity. Zinc most likely functions as an) O Competitive inhibitor of the enzyme Electron shuttle molecule Allosteric activator of the enzyme Cofactor necessary for enzyme activity Non-competitive inhibitor of the enzyme
Reset Help noncompetitive enzyme irreversible acetylcholinesterase competitive active site 1. A inhibitor binds to a site on the enzyme that is not the active site. 2. Insecticides and nerve gases act as irreversible inhibitors of nerve conduction. an enzyme needed for 3. A inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate. 4. Usually, an nhibitor forms a covalent bond with an amino acid side group within...
BIOCHEMISTRY
PALA (shown below) binds to the active site of ATCase and is an
important probe molecule to study ATCase regulation. PALA acts as
_______________ type of inhibitor and acts to stabilize the
__________-state of the enzyme.
PALA{N-(phosphonasetyl)-L-aspartate.
A) uncompetitive/T
B) competitive/T
C) Uncompetitive/R
D) Competitive/R
E) Noncompetitive/R
HN Cooc Jacooo
A noncompetitive inhibitor O sits on the active site of an enzyme blocking the subtrate inactivates an enzyme by binding to the allosteric site on an enzyme and changing the shape of the active site. lowers the activation energy of the chemical reaction its involved in All of the above npu Reset Selection
Which of the following can bind to an enzyme at its active site? Select one: a. more than one correct response b. irreversible inhibitor c. reversible competitive inhibitor d. reversible noncompetitive inhibitor
Quiz Instructions Question 31 2 pts The K system for allosteric enzymes is most similar to which of the following? A single subunit enzyme that has a noncompetitive inhibitor A single subunit enzyme that has a competitive inhibitor A multi-subunit enzyme that has no inhibitor A multi-subunit enzyme that operates by Michaelis-Menten kinetics
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