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O-LevelBiologyTransport in Humans5090/12 · May/June 2017 · Q191 Mark

The diagram represents dialysis in a kidney machine. Each shape represents a molecule found in blood or dialysis fluid. Which shape represents protein?

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AA

BB

CC

DD

✓ Correct answer

A: A

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About this question

Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2017 Paper 1 Variant 2, question 19.

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