Homework Answers
Solution:
Reversible competitive:
> inhibitor binds noncovalently at active site.
>>inhibitor structure resembles substrate structure.
>>>sulfanilamides inhibits bacterial growth
Reversible nocompetitive:
>inhibitor binds nocovalently at site other than active site
>> mercury poisons an enzyme
Irreversible:
>inhibitor binds covalently at active site.
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Classify these specific inhibitors or inhibitor characteristics according to one of three types of inhibition: reversible...
Chapter 8. Enzyme Regulation and Inhibition 1. Competitive inhibitors are always of which type? a) allosteric...
Chapter 8. Enzyme Regulation and Inhibition 1. Competitive inhibitors are always of which type? a) allosteric b) irreversible c) reversible d) suicide 2. DIFP is: a) a competitive inhibitor b) an allosteric inhibitor c) a noncompetitive inhibitor d) a suicide inhibitor 3. Competitive inhibitors: a) bind to the active site b) bind to the enzyme-substrate complex c) bind outside the active site and decrease substrate binding d) bind outside the active site and decrease rate of catalysis.
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 variety of factors influence enzyme activity. Substances that bind to the enzyme and interfere with...
A variety of factors influence enzyme activity. Substances that bind to the enzyme and interfere with substrate binding or catalysis are inhibitors. Identify the type of inhibition associated with each of the descriptions and examples by classifying each statement as irreversible, competitive, or mixed inhibition. Irreversible inhibition Competitive inhibition Mixed inhibition Answer Bank the Al ion binds to acetylcholinesterase or to the acetylcholinesterase-substrate complex malonate, which resembles succinate, binds to the succinate dehydrogenase active site inhibitor may permanently modify an...
enzyme has a molar mass of 30 kilodatons. From this information, calculate Keat for this enzyme-catalyzed...
enzyme has a molar mass of 30 kilodatons. From this information, calculate Keat for this enzyme-catalyzed reaction both with and without inhibitor. Also explain from the data given on the graph which type of enzyme inhibition any is curring Series 1 - no inhibitor. Series 2 inhibitor present • Seriesi Series2 Linear (Series1) Linear (Series2) Chapter 8. Enzyme Regulation and Inhibition 1. Competitive inhibitors are always of which type? a) allosteric b) irreversible c) reversible d) suicide 2. DIFP is:...
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chem 103: biochem
need help with answering these questions!!!
6) For the following statements concerning inhibition, use the answers (1 pts each) A) competitive inhibition B) non-competitive C) irreversible and D) not an inhibition a) Which inhibition can be reversed by adding an excess of the substrate? b) In which inhibition does the inhibitor resemble the substrate? c) Inhibitor binds to enzyme at different site than substrate, but it can be removed. d) An example is ethanol as an antidote...
A noncompetitive inhibitor has a structure that: Select one: O a. does not interfere with the...
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A. Choose anly one correcet answer for each of the following questions (4 pts cach). AL Some and ...
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#50 Which is false concerning competitive inhibition? Alter the Km. Substrate and inhibitor can both bind...
#50
Which is false concerning competitive inhibition? Alter the Km. Substrate and inhibitor can both bind to the active site. Sulfonamides are competitive inhibitors of PABA (para-aminobenzoic acid). It involves an allosteric enzyme and interaction at the allosteric site. All of the above are true. Which of the following is false concerning obligate aerobes? superoxide dismutase cataloes grow better aerobically examples are members of the genera Mycobacterium, Bacillus, and Pseudomonas all of the above are true Which statement is false...
Chapter 8. Enzyme Regulation and Inhibition 1. Competitive inhibitors are always of which type? a) allosteric b) irreversible c) reversible d) suicide 2. DIFP is: a) a competitive inhibitor b) an allosteric inhibitor c) a noncompetitive inhibitor d) a suicide inhibitor 3. Competitive inhibitors: a) bind to the active site b) bind to the enzyme-substrate complex c) bind outside the active site and decrease substrate binding d) bind outside the active site and decrease rate of catalysis.
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A variety of factors influence enzyme activity. Substances that bind to the enzyme and interfere with substrate binding or catalysis are inhibitors. Identify the type of inhibition associated with each of the descriptions and examples by classifying each statement as irreversible, competitive, or mixed inhibition. Irreversible inhibition Competitive inhibition Mixed inhibition Answer Bank the Al ion binds to acetylcholinesterase or to the acetylcholinesterase-substrate complex malonate, which resembles succinate, binds to the succinate dehydrogenase active site inhibitor may permanently modify an...
enzyme has a molar mass of 30 kilodatons. From this information, calculate Keat for this enzyme-catalyzed reaction both with and without inhibitor. Also explain from the data given on the graph which type of enzyme inhibition any is curring Series 1 - no inhibitor. Series 2 inhibitor present • Seriesi Series2 Linear (Series1) Linear (Series2) Chapter 8. Enzyme Regulation and Inhibition 1. Competitive inhibitors are always of which type? a) allosteric b) irreversible c) reversible d) suicide 2. DIFP is:...
chem 103: biochem
need help with answering these questions!!!
6) For the following statements concerning inhibition, use the answers (1 pts each) A) competitive inhibition B) non-competitive C) irreversible and D) not an inhibition a) Which inhibition can be reversed by adding an excess of the substrate? b) In which inhibition does the inhibitor resemble the substrate? c) Inhibitor binds to enzyme at different site than substrate, but it can be removed. d) An example is ethanol as an antidote...
A noncompetitive inhibitor has a structure that: Select one: O a. does not interfere with the enzyme-substrate complex formation O b. does not resemble the substrate structure c. resembles the active site of the enzyme d. can bind to the active site of the enzyme
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#50
Which is false concerning competitive inhibition? Alter the Km. Substrate and inhibitor can both bind to the active site. Sulfonamides are competitive inhibitors of PABA (para-aminobenzoic acid). It involves an allosteric enzyme and interaction at the allosteric site. All of the above are true. Which of the following is false concerning obligate aerobes? superoxide dismutase cataloes grow better aerobically examples are members of the genera Mycobacterium, Bacillus, and Pseudomonas all of the above are true Which statement is false...
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