Your hair grows in a cycle of four stages or phases ... In the "proanagen phase," the follicle makes cells that will form the hair. When the hair reaches the skin's surface, that is the "metanagen ...

Prometaphase is an extremely dynamic part of the cell cycle. Microtubules rapidly assemble ... because chromosomes can be most easily visualized at this stage. Furthermore, cells can be ...

Interphase is the longest stage of the cell cycle. DNA replicates to form two copies of each chromosome, ready for cell division. This then produces new sub-cellular structures such as ...

Interphase is the longest stage of the cell cycle. DNA replicates to form two copies of each chromosome, ready for cell division. This then produces new sub-cellular structures such as ...

Cancer cells even evade programmed cell death, despite the fact that their multiple abnormalities would normally make them prime targets for apoptosis. In the late stages of cancer, cells break ...