BIO NEED TO KNOWS

• how do cancer cells form a tumour

  cells divide excessively as they fail to respond to regulatory signals, this results in a mass of abnormal cells called a tumour, cancer cells fail to attach to each other and spread around the body forming a secondary tumour
• what is cellular differentiation

  cellular differentiation is the process which a cell expresses certain genes to produce proteins characteristic for that type of cell, this allows the cell to carry our specialised functions
• what is RNA Splicing

  RNA Splicing involves the removal of the non coding introns and the splicing (joining together) of coding exons
• what are the therapeutic and research uses of stem cells

  therapeutic uses involve the repair of damaged or diseased organs or tissues (corneal repair or regeneration of damaged skin)

  research uses involve model cells being used to study how diseases develop or being used for drug testing

  stem cell research involves the destruction of an embryo, which can be seen as the destruction of a life