Bacteria are most important and troublesome forthe food processor.◼ Most bacteria are harmless in themselves butproduce excretions and enzymes that result in foodspoilage.◼ They are single-celled living bodies that are1/1,000 to 1/25,000 of an inch in length.◼ The number of these tiny organisms that could beplaced on the head of a pin would equal thepopulation of New York City