What is this?
Gram-positive and Gram-negative bacteria are like two big teams of tiny living things called bacteria. They are different because of how their outer layers, called cell walls, are built. This difference helps scientists know which type they are and how to fight them if they make you sick.
Key Parts to Explore
Cell Wall
This strong outer layer protects the bacteria and helps give it its shape.
Outer Membrane
Gram-negative bacteria have this extra protective skin outside their cell wall.
Cell Membrane
This thin layer inside the cell wall controls what goes in and out of the bacteria.
Cytoplasm
This jelly-like fluid fills the inside of the bacteria and holds all its tiny parts.
Did You Know?
It's like bacteria have secret passwords in their walls, and scientists use a special 'Gram stain' to read them and figure out how to stop them!
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