1. Classification of Bacteria
Biology CP

2. What is Bacteria?
Prokaryotic
Can be:
Eubacteria
Archaebacteria

3. What is Bacteria? Prokaryotic: does NOT have a nucleus Can be:
Eubacteria
Archaebacteria

4. What is Bacteria? Prokaryotic: does NOT have a nucleus Can be:
Eubacteria
Larger of the 2 kingdoms
Can live almost anywhere
Have a cell wall composed of PEPTIDOGLYCAN (a carbohydrate)
Archaebacteria
Live in harsh environments
Lack peptidoglycan, different membrane lipids
DNA sequences are more similar to eukaryotes

5. Match the Bacterial Shapes
Bacilli
Cocci
Spirilla

6. Bacterial Shapes Bacilli Cocci Spirilla Lactobacillus plantarum
Sauerkraut, pickles, kimchi
Cocci
Staphylococcus aureus
Causes staph infection
Spirilla
Borrelia burgdorferi
Causes Lyme disease

8. Structure of Bacteria DNA Cell Wall Plasma Membrane Cytoplasm
Ribosomes
Pili
Flagella

9. Types of Cell Walls Gram-Positive Gram-Negative
Thick peptidoglycan walls
Stain violet
Gram-Negative
Thinner walls with an outer layer
Stain red/pink

10. Which is gram-positive? gram-negative?

11. Metabolic Diversity Heterotrophs Autotrophs Chemoheterotrophs
Organic molecules for energy source
Photoheterotrophs
Use sunlight for energy source
Both
Have to take in organic compounds as a carbon source
Chemoautotrophs
Chemical reactions provide energy source
Photoautotrophs
Use sunlight for energy source
Ex: Cyanobacteria
Both
Produce own food by converting CO2 and H2O to carbon compounds

12. Match the Use of Oxygen Obligate aerobe Obligate anaerobe
Mycobacterium tuberculosis
Obligate anaerobe
Clostridium botulinum
Facultative anaerobe
E. coli
Can live with or without oxygen
NEEDS oxygen to live
Must live in an environment WITHOUT oxygen

13. Match the Use of Oxygen Obligate aerobe Obligate anaerobe
Facultative anaerobe
Can live with or without oxygen
NEEDS oxygen to live
Must live in an environment WITHOUT oxygen

14. Bacterial Reproduction
Binary Fission
Conjugation
Spore Formation
Example: Bacillus anthracis