Discover the different types of cells found in animals and what their role is ... such as protecting organs and helping the body to move. Skeletal muscles Learn about the muscles that work ...

Mice injected with a microRNA molecule lived longer and had fewer markers of ageing, but it’s not yet known if the treatment ...

Gene switches such as Ubx make the initial decisions of which genes to turn on or off in different body regions and cell types. Later in an animal's development, epigenetic switches take over.

With Drosophila as their animal model, McKay and colleagues ... While every type of cell in our body expresses a specific set of genes that are required for its specialized role in the body ...