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All the following statements are true with regard to Km value, except :
  • a)
    Km is defined as the substrate concentration at half maximal velocity
  • b)
    Then 50% of enzyme molecules are bound with substrate molecules
  • c)
    Km is independent of enzyme concentration
  • d)
    As numerical value of Km is more, the affinity of enzyme to substrate is more
Correct answer is option 'D'. Can you explain this answer?
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All the following statements are true with regard to Km value, except...
As the numerical value ofKm is more, the affinity is less.
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Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: The unit of k is independent of order of reaction.Reason: The unit of k is moles L–1s–1.

Read the passage given below and answer the following questions:The rate of a reaction, which may also be called its velocity or speed, can be defined with relation to the concentration of any of the reacting substances, or to that of any product of the reaction. If the species chosen is a reactant which has a concentration c at time t the rate is - dc/dt, while the rate with reference to a product having a concentration x at time t is dx/dt. Any concentration units may be used for expressing the rate; thus, if moles per liter are employed for concentration and seconds for the time, the units for the rate are moles litre–1sec–1. For gas reactions pressure units are sometimes used in place of concentrations, so that legitimate units for the rate would be (mm. Hg) sec–1 and atm. sec–1 The order of a reaction concerns the dependence of the rate upon the concentrations of reacting substances; thus, if the rate is found experimentally to be proportional to the ath power of the concentration of one of the reactants A, to the both power of the concentration of a second reactant B, and so forth, via., rate = k CAα CAβ the over-all order of the reaction is simply n = α + β + ----- (2) Such a reaction is said to be of the αth order with respect to the substance A, the βth order with respect to B.In the following questions, a statement of Assertion followed by a statement of Reason is given. Choose the correct answer out of the following choices on the basis of the above passage.Assertion: Rate of reaction is a measure of change in concentration of reactant with respect to time.Reason: Rate of reaction is a measure of change in concentration of product with respect to time.

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All the following statements are true with regard to Km value, except :a)Km is defined as the substrate concentration at half maximal velocityb)Then 50% of enzyme molecules are bound with substrate moleculesc)Km is independent of enzyme concentrationd)As numerical value of Km is more, the affinity of enzyme to substrate is moreCorrect answer is option 'D'. Can you explain this answer?
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All the following statements are true with regard to Km value, except :a)Km is defined as the substrate concentration at half maximal velocityb)Then 50% of enzyme molecules are bound with substrate moleculesc)Km is independent of enzyme concentrationd)As numerical value of Km is more, the affinity of enzyme to substrate is moreCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about All the following statements are true with regard to Km value, except :a)Km is defined as the substrate concentration at half maximal velocityb)Then 50% of enzyme molecules are bound with substrate moleculesc)Km is independent of enzyme concentrationd)As numerical value of Km is more, the affinity of enzyme to substrate is moreCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for All the following statements are true with regard to Km value, except :a)Km is defined as the substrate concentration at half maximal velocityb)Then 50% of enzyme molecules are bound with substrate moleculesc)Km is independent of enzyme concentrationd)As numerical value of Km is more, the affinity of enzyme to substrate is moreCorrect answer is option 'D'. Can you explain this answer?.
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