If the concentrations of an inhibitor and a substrate are increased then competitive inhibition has been...
- If the concentrations of an inhibitor and a substrate are increased then competitive inhibition has been successfully reversed
True or False
Homework Answers
False because if concentration of both inhibitor as well as substrate, in increased, no effect will be reversed in competitve inhibition as still enzyme will bind with inhibitor.
Competitive inhibition can be reversed only when concentration of substrate is increased.
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If the concentrations of an inhibitor and a substrate are
increased then competitive inhibition has been...
a) What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration...
a) What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration of 1.5x10-3 M if Km=2.9x10-4 and Ki=2x10-5? b)To what concentration must the substrate be increased to re-establish the velocity at the original uninhibited value?
High concentrations of substrate overcome reversible inhibition by a transition-state analog because Question options: A. only...
High concentrations of substrate overcome reversible inhibition by a transition-state analog because Question options: A. only the substrate has the inherent ability to bind at the active-site. B. the substrate has a greater inherent affinity for the active-site. C. transition-state analogs show noncompetitive kinetics. D. the substrate will react with the transition-state analog. E. The transition-state analog is a competitive inhibitor.
#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...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown substance to determine whether the substance is an inhibitor. As the substrate concentration is increased, the rate of reaction is compared to the normal rate of reaction. Initially, the rate is equal to normal, and as the substrate concentration is increased more and more, the rate of reaction remains the same as the normal rate. What can be concluded about the unknown substance? Select...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown substance to determine whether the substance is an inhibitor. As the substrate concentration is increased, the rate of reaction is compared to the normal rate of reaction. Initially, the rate is slower than normal, but as the substrate concentration is increased more and more, the rate of reaction approaches normal. What can be concluded about the unknown substance? Select the correct answer below: O...
6) For the following statements concerning inhibition, use the answers (1 pts each) A) competitiv...
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...
In a competitive inhibition, Km is increased while Vmax is unchanged. An enzyme is being assayed...
In a competitive inhibition, Km is increased while Vmax is unchanged. An enzyme is being assayed in the presence of a fixed amount of a competitive inhibitor. How could the rate be increased in this reaction?
6X 10+ 200 3. What concentration of competitive inhibitor is required to yield 75% inhibition at...
6X 10+ 200 3. What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration of 1.5 X 10M if Km-2.9 X 10+M and Ki-2. X 10M? The followina cat we winiaran Medan Termine whether
Compare competitive and noncompetitive inhibition Question Suppose that glycerol (CH,OHCH(OH)CH,OH) is a substrate in a...
Compare competitive and noncompetitive inhibition Question Suppose that glycerol (CH,OHCH(OH)CH,OH) is a substrate in an enzyme-catalyzed biochemical reaction and propylene glycol (CH OHCH(OH)CHZ) is an inhibitor of the reaction. Would you expect propylene glycol to be a competitive or noncompetitive inhibitor? Why? Select the correct answer below: O It is likely that propylene glycol would be a competitive inhibitor because it easily binds to glycerol. O It is likely that propylene glycol would be a competitive inhibitor because it has...
Microbiology In the competitive inhibition of enzyme activity, which statement is correct? Inhibitor directly competes with...
Microbiology In the competitive inhibition of enzyme activity, which statement is correct? Inhibitor directly competes with the substrate. Less substrates must be added in order to reach Vmax. The number of active sites is unlimited. None of the above. In the noncompetitive inhibition of enzyme activity, which statement is correct?Inhibitors will cause a conformational change in the enzyme, more substrate must be added to reach Vmax, Enzymes bound to the inhibitor can still bind substrate, none of the above. ....
#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...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown substance to determine whether the substance is an inhibitor. As the substrate concentration is increased, the rate of reaction is compared to the normal rate of reaction. Initially, the rate is equal to normal, and as the substrate concentration is increased more and more, the rate of reaction remains the same as the normal rate. What can be concluded about the unknown substance? Select...
Compare competitive and noncompetitive inhibition Question An enzyme is placed in the presence of an unknown substance to determine whether the substance is an inhibitor. As the substrate concentration is increased, the rate of reaction is compared to the normal rate of reaction. Initially, the rate is slower than normal, but as the substrate concentration is increased more and more, the rate of reaction approaches normal. What can be concluded about the unknown substance? Select the correct answer below: O...
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...
6X 10+ 200 3. What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration of 1.5 X 10M if Km-2.9 X 10+M and Ki-2. X 10M? The followina cat we winiaran Medan Termine whether
Compare competitive and noncompetitive inhibition Question Suppose that glycerol (CH,OHCH(OH)CH,OH) is a substrate in an enzyme-catalyzed biochemical reaction and propylene glycol (CH OHCH(OH)CHZ) is an inhibitor of the reaction. Would you expect propylene glycol to be a competitive or noncompetitive inhibitor? Why? Select the correct answer below: O It is likely that propylene glycol would be a competitive inhibitor because it easily binds to glycerol. O It is likely that propylene glycol would be a competitive inhibitor because it has...
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