In many cells of the human body, hair-like protrusions known as cilia act as antennae, allowing cells to receive signals from ...

Ribosomes are the cell's protein factories, which read the genetic code and assemble the proteins that every organism needs ...

The first animals must also have invented ways to produce the many different kinds of cells we have today; muscle cells, nerve cells, egg cells and sperm to name a few. The division of labour among ...