Bacteria test

Coccus

Sphere

Bacillus

Rods

Spirals

Spirals

Diplo-

Group of 2

Strepto-

Chain

Tetrads

Group of 4

Staphylo-

Clumps

What is the structure of a prokaryotic cell?

• They lack a nucleus and all membrane bound organelles

• one single, circular chromosome

What is the treatment for bacterial infections?

• Antibacterial medications, soaps, and disinfectants can be used to help lower the number of harmful bacteria

• Too much/too often can also kill beneficial bacteria

• Antibacterial products do not work against viruses

What is eubacteria?

• Called “True bacteria”

• found in every environment

• A type of bacteria that contains a cell wall that has constraints peptidoglycans (protect bacteria from the environment)

• Thrive in temps 80-100 F, moisture and darkness, suitable food sources, and space to grow

What is archaea?

• A type of bacteria that lack peptidoglycans in the cell wall

• Closer relative to eukaryotes

• Can survive extreme environments (like hot springs)

• There are 3 types: Methanogens, halophiles, and thermoacidophiles

What are methanogens?

• They are a type of archaea

• They convert hydrogen gas and carbon dioxide into methane gas

• They thrive in the digestive tract of animals

• Cows release 200-400 liters of methane per day

What are halophiles?

• They are a type of archaea

• They thrive in areas of high salt concentrations

What are thermoacidophiles?

• They are a type of archaea

• They live in very acidic environments and areas of high temperatures

• Can live in temps up to 230 F and in a pH less than 2