LESSON 2b: BACTERIAL DIVERSITY

Question 1

Approximate how many phyla and species does Bacteria have.

Answer 1

> 80 phyla
12,000 species

Question 2

What are the most cultivated Bacteria?

Answer 2

Gram positive:
Actinobacteria and Firmicutes

Gram negative:
Proteobacteria and Bacteroidetes

Question 3

What bacteria are the gram positive bacteria?

Answer 3

Actinobacteria and Firmicutes

Question 4

What bacteria are the gram negative bacteria?

Answer 4

Proteobacteria and Bacteroidetes

Question 5

A bacteria that has a thick cell wall (peptidoglycan)

Answer 5

Gram positive bacteria

Question 6

A bacteria that has a thin cell wall (peptidoglycan)

Answer 6

Gram negative bacteria

Question 7

A gram positive bacteria that has low Guanine-Cytosine content

Answer 7

Firmicutes

Question 8

A gram positive bacteria that has high G+C Content.

Answer 8

Actinobacteria

Question 9

A gram negative bacteria that has the largest group of bacteria.

Answer 9

Proteobacteria

Question 10

Give types of Proteobacteria.

Answer 10

Alpha - proteobacteria
Beta - proteobacteria
Gamma - proteobacteria