Bacterial Cell Structures and Functions

Strong outer layer that protects the bacterial cell from infection by viruses and attack from immune cells.

• Pilli

• Cell wall

• Capsule

• Flagella

Layer outside the cell membrane that gives the bacterial cell a solid shape.

• Cytoplasm

• Cell wall

• Plasma membrane

• Pilli

Jelly like substance that fills the inside of the bacterial cell.

• Flagella

• Chromosome

• Plasmid

• Cytoplasm

Tags

NGSS.MS-LS1-2

Whip-like tail that allows bacteria to move

• Pillus

• Flagella

• Cytoplasm

• Cell wall

Small protrusions of cell membrane around the outside of the bacterial cell that allow bacteria to attach to one another, and share DNA.

• Flagella

• Cell membrane

• Pilli

• Cell wall

Is the bacterial DNA surrounded by a nucleus?

• No

• Yes

Bacterial cells are...

• Prokaryotes

• Eukaryotes

Small circular pieces of DNA that can be shared between bacteria.

• Cytoplasm

• Plasmid DNA

• Chromosome

• Ribosome

Small organelles that turn genes into proteins

• Cytoplasm

• Plasmid

• Ribosomes

• Nucleus

Tags

NGSS.HS-LS1-1

Bacterial cells reproduce by this process

• Mitosis

• Meiosis

• Binary fission

• Spawning

Tags

NGSS.MS-LS3-2