Enzymes

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

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Coenzyme A

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

ADP, ATP

ATP is the main source of energy for cells.

Animal and plant cells, cellular organelles

Eukaryotic cells contain a number of organelles.

Genome editing

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

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...

The structure of prokaryotic and eukaryotic cells

There are two basic cell types: prokaryotic and eukaryotic cells.

What size are bacteria?

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

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