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Enzymes

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

Bulbous spring plants

This animation demonstrates the anatomy of tulips, daffodils and snowdrops.

Cockchafer (Maybug)

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

Jellyfish

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

Vertebrate brain evolution

During the evolution of vertebrates the relative development of brain areas has changed.

Blue whale

Marine mammals, the largest known animals to have ever existed.

Common earthworm

The anatomy of annelids is demonstrated through the example of the common earthworm.

European mole

Moles are small subterranean mammals with modified, spade-like forelegs.

Large white butterfly

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

Amoeba proteus

Widespread heterotrophic unicellular organisms with constantly changing shapes

Red deer

Red deer are even-toed ungulates, ruminants. Their males have spectacular antlers.

Paramecium caudatum

Common ciliated eucaryotic unicellular organisms widespread in freshwaters.

Mallard

This animation demonstrates the anatomy of birds through the example of mallards.

NAD⁺, NADP⁺, NADPH

NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.

Sponge

The most ancient group of animals, they live underwater, lack real tissues and body symmetry.

Edible frog

This animation demonstrates the anatomy of amphibians through the example of a common species of frogs.

Seeds and germination

Dicotyledons have two embryonic leaves (cotyledons), while monototyledons have only one.

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