Tail-like structures for swimming and hair-like structures for sticking to surfaces. 2. The Good: Essential Life Support
Bacteria are nature’s recyclers. They break down dead organic matter and "fix" nitrogen in the soil, which plants need to grow.
A protective layer made of peptidoglycan (a mix of sugars and amino acids). bacteria
Bacteria are among the oldest and most successful life forms on Earth. These single-celled microorganisms are found everywhere—from deep-sea hydrothermal vents to the human gut—and play a critical role in maintaining the planet's ecosystems. 1. Anatomy and Structure
Your body hosts trillions of bacteria that help digest food, produce vitamins (like B and K), and train your immune system. They break down dead organic matter and "fix"
A tangled loop of DNA that contains their genetic instructions.
While often associated with illness, the vast majority of bacteria are either harmless or beneficial: Their structure typically includes:
Unlike animal or plant cells, bacteria are . They lack a nucleus and membrane-bound organelles. Their structure typically includes: