International A Level Biology / Chemistry for biologists

Globular and fibrous: haemoglobin and collagen

Edexcel International A Level Biology (YBI11), chapter 1: Chemistry for biologists, specification point 2.6. Part of the full course.

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Haemoglobin is a compact globular protein that carries oxygen, while collagen is a fibrous protein that resists being pulled apart. Their different structures make them suited to these different functions.

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