They break down organic matter, recycling carbon and nutrients back into the ecosystem.
In the food industry, bacteria are used to produce yogurt, cheese, pickles, and sauerkraut. bacterium
Bacteria are microscopic, single-celled organisms that exist in virtually every environment on Earth, from deep-sea vents to the human digestive tract. They are , meaning they lack a nucleus and membrane-bound organelles. While often associated with disease, the vast majority of bacteria are either harmless or essential to life. 1. Structure and Classification They break down organic matter, recycling carbon and
Engineered bacteria produce insulin, vaccines, and enzymes used in detergents. 4. Human Health and the Microbiome They are , meaning they lack a nucleus
Scientists use a Gram stain to classify them. Gram-positive bacteria have a thick peptidoglycan layer that retains purple dye, while Gram-negative bacteria have a thinner layer and an outer membrane, appearing pink.