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Question
Biology
Posted 8 months ago
Why is it important to have a pure culture and not a mixed culture when performing biochemical tests?
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Answer from Sia
Posted 8 months ago
Answer
It is important to have a pure culture and not a mixed culture when performing biochemical tests because it ensures the accuracy and reliability of the test results.
Solution
a
Specificity: Pure cultures contain only one type of microorganism, which allows for specific identification and characterization of that organism's biochemical properties
b
Consistency: Mixed cultures can lead to inconsistent results due to the presence of multiple organisms that may interact or interfere with each other
c
Contamination: Mixed cultures increase the risk of contamination, which can compromise the validity of the test results
Key Concept
Pure culture ensures specificity and accuracy in biochemical tests.
Explanation
Using a pure culture eliminates the variables introduced by multiple organisms, leading to more reliable and interpretable results.
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