The nucleus of one of your skin cells contains about two metres of DNA, so a chromosome is a very large molecule compacted into a very small space. Watch the video below to see how DNA can be ...

Often compared to a brick wall, the skin barrier is composed of interlocking pentagonal corneocytes (bricks) enmeshed in a lipid matrix (mortar). Abnormalities in the structure and function of the ...

The table below list organelles, their function and the types of cell that they can be found in. Can you fill in the blanks to complete the table? Cell structure Description Function Cell type ...