Question:
Temperature dependence of a biological reaction is expressed by:
Temperature dependence of a biological reaction is expressed by:
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\(Q_{10}\) is typically around 2 for biological reactions.
D value and Z value are used in thermal death kinetics.
D value and Z value are used in thermal death kinetics.
Updated On: Aug 18, 2026
- Stoke's law
- \(Q_{10}\) value
- D value
- Z value
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Biological reactions are affected by temperature.
Different parameters are used to express this dependence.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the definitions of each term.
Step 3: Detailed Explanation:
\(Q_{10}\) value is the factor by which the reaction rate increases for a 10°C rise in temperature.
Stoke's law describes settling of particles.
D value is the time required to reduce microbial population by 90%.
Z value is the temperature change required to change the D value by a factor of 10.
Thus, temperature dependence of biological reactions is expressed by \(Q_{10}\).
Step 4: Final Answer:
Temperature dependence is expressed by \(Q_{10}\) value.
Hence, the correct option is (B).
Biological reactions are affected by temperature.
Different parameters are used to express this dependence.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the definitions of each term.
Step 3: Detailed Explanation:
\(Q_{10}\) value is the factor by which the reaction rate increases for a 10°C rise in temperature.
Stoke's law describes settling of particles.
D value is the time required to reduce microbial population by 90%.
Z value is the temperature change required to change the D value by a factor of 10.
Thus, temperature dependence of biological reactions is expressed by \(Q_{10}\).
Step 4: Final Answer:
Temperature dependence is expressed by \(Q_{10}\) value.
Hence, the correct option is (B).
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