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Question 4

Maltose is a reducing disaccharide produced during the enzymic breakdown of starch by amylase. A student wants to determine the concentration of maltose in an unknown sample using a quantitative Benedict's test and a colorimeter.

Describe how the student could prepare a calibration curve and calibrate a colorimeter to determine the concentration of maltose in the unknown sample.

[6]
Markscheme

Planning Questions

  1. A Level
  2. /Biology
  3. /Planning

16 exam-style questions on OCR A A Level Biology Planning. Each one has a worked solution and a mark scheme showing where the marks go.

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