Enzymes

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

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Meiosis

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Transport processes

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

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...

What size are bacteria?

This lesson presents the structure and classification of bacteria and the role they play...

Bacteria (advanced)

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

Mitosis

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

Chlorophyll

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

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