O-LevelBiologyTransport in Humans5090/11 · May/June 2010 · Q151 Mark

The diagram represents a blood capillary with an adjacent cell. The arrows represent the transfer of substances between the capillary and the cell. Which arrows represent glucose, carbon dioxide and oxygen? [Figure 15.1]

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Aglucose: P, carbon dioxide: R, oxygen: Q

Bglucose: Q, carbon dioxide: S, oxygen: P

Cglucose: R, carbon dioxide: Q, oxygen: S

Dglucose: S, carbon dioxide: P, oxygen: R

✓ Correct answer

D: glucose: S, carbon dioxide: P, oxygen: R

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Topic: Transport in Humans, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2010 Paper 1 Variant 1, question 15.

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