Chlorophyll

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

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Genome editing

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

Transport processes

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

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.

Viruses

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

Coenzyme A

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

Enzymes

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

Animal and plant cells, cellular organelles

Eukaryotic cells contain a number of organelles.

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