The three phases of laboratory testing are pre-analytical phase, analytical phase, and post-analytical phase. The pre-analytical phase refers to all the steps taken prior to the actual testing of a specimen (e.g. specimen collection, transport, accessioning). The analytica phase includes the actual testing analysis. The post-analystical phase includes test reporting and interpretation.
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The three phases that make up interphase are G1, S, and G2.
Forensic Toxicology Drug Testing Laboratory (US Army)
Fasting Blood Sugar. Meaning how much sugar is in your blood when you have not eaten.
Three
Sand would lay on the bottom, water would occupy the middle, and oil would float on the top. So, in a tall tube of all three substances, careful extraction from three heights of the tube would separate as required.