A-LevelBiologyTransport in plants9700/12 · Oct/Nov 2017 · Q281 Mark

What are features that adapt root hair cells for efficient uptake of mineral ions? 1 a large number of mitochondria, 2 a large number of protein carriers in the cell surface membrane, 3 a large surface area to volume ratio

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

A: 1, 2 and 3

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Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2017 Paper 1 Variant 2, question 28.

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