Cells may be self-sustaining units of life, but they don't live in isolation. Their survival depends on receiving and processing information from the outside environment, whether that information ...

But how, exactly, do cells accomplish the complex tasks of life? What tools and ... that define a cell? This unit answers these questions and provides a basic overview of the inner workings ...

DNA was discovered in 1869, but it took until 1943 before scientists realised that DNA was the genetic material in cells, and that it contained a code for life ... the basic unit of heredity ...