What is the decolorizer and what does it do. How do the gram-positive and gram-negative cells react?
a) Alcohol or acetone, removes the primary stain from gram-negative cells
b) Gram's iodine, binds to crystal violet and forms a complex within gram-positive cells
c) Crystal violet, stains both gram-positive and gram-negative cells purple
d) Safranin, stains gram-positive cells pink and gram-negative cells purple