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MCQs

Total Questions : 52 | Page 2 of 6 pages
Question 11. Effectiveness factor is given by __________
  1.    ƞ=\(\frac{V}{V_free}\)
  2.    \(D_a=\frac{V_{max}}{K_L [S_b]}\)
  3.    \(K_m^{app}\) = Kₘλ
  4.    λ=\(\frac{[C_0^{n+}]}{[C^{n+}]} = \frac{[A^{n-}]}{[A_0^{n-}]}\)
 Discuss Question
Answer: Option A. -> ƞ=\(\frac{V}{V_free}\)
Answer: (a).ƞ=\(\frac{V}{V_free}\)
Question 12. The ratio of volume of solution contained within the particle to the total volume of the particle is referred to as ____________
  1.    tortuosity
  2.    porosity
  3.    Kₘ
  4.    catalytic efficiency
 Discuss Question
Answer: Option B. -> porosity
Answer: (b).porosity
Question 13. Which of the following equation is true for \(K_m^{app}\), when the substrates are negatively charged?
  1.    Kcat/Kₘ
  2.    Kₘ/λ
  3.    Kₘλ
  4.    Vₘₐₓ/2
 Discuss Question
Answer: Option B. -> Kₘ/λ
Answer: (b).Kₘ/λ
Question 14. What does the equation, λ=\(\frac{[C_0^{n+}]}{[C^{n+}]}=\frac{[A^{n-}]}{[A_0^{n-}]}\) represent?
  1.    Turnover number
  2.    Catalytic efficiency
  3.    Electrostatic potential coefficient
  4.    Porosity
 Discuss Question
Answer: Option C. -> Electrostatic potential coefficient
Answer: (c).Electrostatic potential coefficient
Question 15. Immobilization can greatly affect the stability of the enzyme.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 16. Immobilized enzymes observe diffusional resistance at different levels.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 17. __________ is the average ratio of path length between any points within the particle to their absolute distance apart.
  1.    Porosity
  2.    Kcat
  3.    Tortuosity
  4.    Catalytic efficiency
 Discuss Question
Answer: Option C. -> Tortuosity
Answer: (c).Tortuosity
Question 18. In case of immobilized enzymes, what type of inhibition is represented by the following equation?
\(V=\frac{V_{max} S}{K_m+\frac{K_m [S_0]K_L^s}{K_p K_l^p}}\)
  1.    Substrate
  2.    Product
  3.    Uncompetitive
  4.    Competitive
 Discuss Question
Answer: Option B. -> Product
Answer: (b).Product
Question 19. What does the following equation represent?
V=\(\frac{V_{max}}{1+\frac{K_m^{app}}{[S_0]}}\)
  1.    Lineweaver Burk equation
  2.    Electrostatic potential coefficient
  3.    Miachelis Menten equation for enzymes
  4.    Miachelis Menten equation for immobilized enzymes
 Discuss Question
Answer: Option D. -> Miachelis Menten equation for immobilized enzymes
Answer: (d).Miachelis Menten equation for immobilized enzymes
Question 20. Immobilization affects the kinetic constants (Kₘ and Vₘₐₓ) of the enzyme.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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