1103 Lab Final

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Last updated 1:43 AM on 8/5/26

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Describe how to make a negative and positive control

Negative control: add water and the reagent for that biomolecule - colour indicates NO biomolecule present

Positive control: add few drops of biomolecule and reagent for that biomolecule - colour indicates biomolecule IS present

2

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What is the purpose of positive and negative controls?

To tell if the unknown solution has the biomolecule in it or not

3

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Ha

HA

4

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Nam

Name