OCR A-Level Biology (PAG 5)
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7 Terms
1
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What is the graph created from results called?
Calibration curve
2
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What test has to be done on the glucose concentrations first?
Benedict's Test
3
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Explain how to do the Benedict's Test.
1. Add Benedict's reagent to sample
2. Put in water bath for 5 minutes
2. Put in water bath for 5 minutes
4
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What filter must the colorimeter be on?
Red
5
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Why does the colorimeter have to have a red filter?
Contrasts blue
6
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Why should you place a test tube of water in the colorimeter after every glucose concentration?
To calibrate the colorimeter
7
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Why is an excess of Benedict's reagent added?
So there is enough for a reaction to happen