EMBL scientists have improved a protein analysis technique, significantly expanding its use and making it 100 times faster.

Cell division is a process of remarkable precision: during each cycle, the genetic material must be evenly distributed between the two daughter cells. To achieve this, duplicated chromosomes, known as ...

As part of your answer you will need to analyse what the passage shows about Ralph at this point. Look again at the extract below with some highlighted points that you could write about in an answer.