The Human Cell Atlas: towards a first draft atlas This week, that initiative, the Human Cell Atlas (HCA), is releasing a collection of studies that represent a significant step towards assembling ...
The retina is often referred to as an "outpost of the brain"—after all, important steps in visual signal processing do not take place in the cerebrum, but in the nerve cells in the eye. When light ...
as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication. The initiation of DNA replication occurs in two steps. First, a so-called initiator protein ...