A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2011 · Q261 Mark

The following are all structural components of blood vessels. 1 collagen fibres 2 elastic fibres 3 endothelial cells 4 smooth muscle cells Which row shows the distribution of these components in different blood vessels?

Aartery: 1, 2 and 4 vein: 1, 3 and 4

Bartery: 2, 3 and 4 vein: 1, 3 and 4

Cartery: 1, 2, 3 and 4 vein: 1, 2, 3 and 4

Dartery: 1, 2, 3 and 4 vein: 2, 3 and 4

✓ Correct answer

C: artery: 1, 2, 3 and 4 vein: 1, 2, 3 and 4

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Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2011 Paper 1 Variant 2, question 26.

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