Viruses

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

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

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

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

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

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

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

ATP is the main source of energy for cells.