Bacteria (spheres, rods, spirals)

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

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The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

Meiosis

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

Chlorophyll

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

NAD⁺, NADP⁺, NADPH

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

Coenzyme A

An acyl-carrier coenzyme taking part in both anabolic and catabolic processes.

Genome editing

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

Transport processes

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

Viruses

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

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