Enzymes

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

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Mitosis

Mitosis is the process by which a eukaryotic cell divides into two cells and the number...

Transport processes

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

Bacteria (advanced)

Bacteria are unicellular organisms that have no cell walls and are a few micrometers in...

Meiosis

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

Viruses

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

Coenzyme A

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

Bacteria (spheres, rods, spirals)

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

ADP, ATP

ATP is the main source of energy for cells.

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