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Question 18N.3.SL.TZ0.9b

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.3.SL.TZ0.9b
Level SL Paper 3 Time zone TZ0
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
18N.3.SL.TZ0.9b

The starch found in potato tubers (Solanum tuberosum) is normally a mixture of 80 % amylopectin and 20 % amylose. The Amflora potato is genetically modified to alter this ratio. The modified potato is not suitable for human consumption but is grown for industrial uses.

(b)

Outline how the composition of starch differs in the Amflora potato compared to a normal potato.

[1]

Markscheme

amflora contains «almost» no amylose/«almost» all amylopectin ✔

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