Bacteria (advanced)

Bacteria are unicellular organisms that have no nuclei and are a few micrometres in length

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Genome editing

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

Viruses

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

Meiosis

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

Enzymes

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

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.

Chlorophyll

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

Transport processes

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

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