Bacterium Page

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.

They break down organic matter, recycling carbon and nutrients back into the ecosystem. bacterium

In the food industry, bacteria are used to produce yogurt, cheese, pickles, and sauerkraut. Scientists use a Gram stain to classify them

Engineered bacteria produce insulin, vaccines, and enzymes used in detergents. 4. Human Health and the Microbiome bacteria are used to produce yogurt