Oxygen carrier protein in our red blood cells.



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Amino acids are the monomers of proteins.


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Oxygen (O₂) (basic)

A colourless, odourless gas, an important component of the atmosphere, indispensable to sustain terrestrial life.

Pyrrole (C₄H₅N)

A heterocyclic organic compound.

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Human blood consists of blood cells and plasma.

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Polypeptide chains are composed of amino acids and can appear in alpha-helix or beta-sheet form.

The structure of proteins

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