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Johnny Phan

Haemoglobin has four polypeptide chains and made up of two alpha chains and two beta chains.

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Haemoglobin has four polypeptide chains which consist of two alpha chains and two beta chains. It does have a quaternary structure.

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Amanda Esapournoori
the Structure of human hemoglobin molecule. Vector diagram. Hemoglobin is the substance in red blood cells that carries oxygen.

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Quaternary structure
Has two alpha chains and 2 beta chains

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Insulin is a small protein (polypeptide) consisting of an alpha and beta chain.
the insulin molecule can also take on a quaternary structure as a dimer or hexamer.
JEWEL ALKHOURI

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Haemoglobin is the oxygen binding protein of red blood cells and is a globular protein with quaternary structure. Haemoglobin consists of four polypeptide subunits; 2 alpha chains and 2 beta chains.

GAZALA NISHA.

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As seen in the image below Myoglobin consists of on alpha helices, there are no beta sheets present. Myoglobin is categorised as a Tertiary structure.

Amy Phelan

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Fatimah Khan