Enzymes

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

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Transport processes

This animation explains active and passive transport processes occurring through cell membranes

Meiosis

Our gametes are haploid cells produced from diploid cells by meiosis, a special type of cell...

Genome editing

Genome editing is a type of genetical engineering which results in changes in the genome of a...

Chlorophyll

Chlorophyll is a photosensitive green pigment found in plants; it absorbs light energy, thus...

NAD⁺, NADP⁺, NADPH

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

Viruses

Viruses consist of protein and DNA or RNA, they reprogram infected cells to produce more viruses.

Bacteria (spheres, rods, spirals)

Bacteria occur in a wide range of shapes, including spheres, rods and spirals.

Animal and plant cells, cellular organelles

Eukaryotic cells contain a number of organelles.

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