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BIOLOGY 1414 LAB PRACTICAL STUDY GUIDE FOR 2025-2026 EXAM
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August 2025
2025/2026
BIOLOGY 1414 LAB PRACTICAL STUDY GUIDE FOR EXAM
Q1: What is the purpose of a standard curve in spectrophotometry?
A: To determine the concentration of unknown samples based on absorbance.
Q2: What is the function of a blank in spectrophotometry?
A: To calibrate the spectrophotometer and zero out the absorbance of the solvent.
Q3: What is the role of a micropipette tip?
A: Prevents contamination and ensures accurate liquid transfer.
Q4: What is the difference between a positive and nega...
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