Let the cloth stay in place until the stain disappears. Rinse well. Iodine: Scrub the iodine stain with diluted ammonia and rinse well. Nail polish: Dissolve the nail polish stain with nail polish ...

The half of the leaf under the silver foil remained the brown colour of the iodine stain. This is because no photosynthesis occurred, so no glucose was produced and none was stored as starch.

_____ - For Gram-positive rods, perform a spore stain from the culture grown on the Nutrient Agar + MnCl 2 slant. (Endospore Stain Procedure) _____ For Gram-positive rods, flood the starch side of the ...