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Spider silk, spider web

Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.



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Saistītie vienumi


Fibroin is a fibrillar protein excreted by silkworms.

Mexican redknee tarantula

One of the best known species of spiders, often kept as pets. Its bite is not fatal for humans.

The secondary structure of proteins

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

European garden spider

This animation demonstrates the anatomy of spiders through the example of a common European species.

The structure of proteins

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

Alanine (C₃H₇NO₂)

A non-polar amino acid. L and D molecules are mirror images of each other.

Chilean recluse spider

The poisonous bite of the Chilean recluse spider poses a serious threat to human health.

Cockchafer (Maybug)

The cockchafer (or maybug) is a widespread bug in Europe. Its larvae, known as chafer grubs are considered a pest.

Large white butterfly

The large white butterfly is a common species of butterflies, through which we demonstrate the anatomy of butterflies.

Long-tailed mayfly

Larvae of this type of mayflies spend the first three years of their lives in water, their adult lives last for only one day which they use for mating.

Stag beetle

With the example of the stag beetle we demonstrate how insects' muscles function, how insects fly and how they reproduce.

European crayfish

A type of large freshwater crayfish widespread in Europe.

Freshwater pearl mussel

A species of mollusc widespread in freshwaters.


Jellyfish are free-swimming marine animals, a species of Cnidaria, the most ancient group of Eumetazoans.

Roman snail

A widespread snail species, also popular as food.

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