Chemistry 9701 · AS & A Level · Analytical techniques

Analytical techniques — practice question

Modern analytical techniques have had wide-ranging impacts across several areas of science, including medicine, forensic science, environmental monitoring and archaeology.
(a)[4]

Outline, in simple terms, the procedure of DNA fingerprinting.

(b)[3]

Fill in the table to show whether the items can be used for DNA fingerprinting. Put a tick (✓) for items that can be used for DNA fingerprinting and a cross (\times) for items that cannot.

(c)[3]

Different chromatographic methods can be used to separate and examine mixtures. HPLC (high performance liquid chromatography) can be used to separate each of the following mixtures. State a different chromatographic method that would separate each mixture.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Any four valid steps in the DNA fingerprinting process

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