If methylene blue dye is added to a suspension of yeast cells, any living cells
remain colourless. However, any dead cells are stained blue. This fact was
used to carry out an investigation into the rate at which yeast cells were killed
at two different temperatures (at high temperatures the yeast enzymes will be
denatured)

If methylene blue dye is added to a suspension of yeast cells any living cells remain colourless However any dead cells are stained blue This fact was used to c class=