Haemoglobin

Haemoglobin

Oxygen carrier protein in our red blood cells.

Chemistry

Keywords

haemoglobin, blood, proteid, complex protein, red blood cell, oxygen binding, oxygen transport, protein, four subunits, globular, iron-containing, metalloprotein, porphyrin ring, conjugated double bond, anaemia, myoglobin, anemia, biochemistry, chemistry, biology

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Amino acids

Amino acids are the monomers of proteins.

Enzymes

Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.

Fibroin

Fibroin is a fibrillar protein excreted by silkworms.

Oxygen (O₂) (basic)

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

Pyrrole (C₄H₅N)

A heterocyclic organic compound.

The human blood

Human blood consists of blood cells and plasma.

The secondary structure of proteins

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

The structure of proteins

The structure and arrangement of polypeptide chains affects the spatial structure of proteins.

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