Basic Bacteriology

Question 1

What are the 3 main domains of Life?

Answer 1

Eukaryota
Archaea
Bacteria

Question 2

Cocci

Answer 2

Spherical

Question 3

Bacilli

Answer 3

Rods

Question 4

Sprial Forms

Answer 4

Comma shapped
S-Shaped
Sprial

Question 5

Pleomorphic

Answer 5

Lacks a distinct shape

Question 6

What are the 4 shapes of bacteria?

Answer 6

Cocci
Bacilli
Spiral
Pleomorphic

Question 7

What are some key Features of bacteria? (6)

Answer 7

1. ) 70s Ribosomes
2. ) no organelles/nucleus
3. ) singlue circular
4. ) chromosome
5. ) binary fission
6. ) Cell Wall components

Question 8

What are the stages of binary fission? (4)

Answer 8

1. ) lag phase
2. ) Log Phase
3. ) stationary phase
4. ) death phase

Question 9

Where can biofilms form?

Answer 9

Environment (Legionella pneumophila)
Medical Devises
Body Surfaces

Question 10

Purpose of Cell Walls? (3)

Answer 10

Shape
Flow of materials
protect w/ osmotic lysis

Question 11

Why don’t gram - bacteria stain?

Answer 11

because they have an outermembrane

Question 12

There are 3 portions of the LPS what are they?

Answer 12

O side Chain
Core Polysaccharide
Lipid A

Question 13

What are somethings that Bacterial cell walls are assossiated with? (6)

Answer 13

ETC
Protein Secretion
Flagella
Adhesin
Capsule
Spores

Question 14

how can you identify between aerobic and anaerobic bacteria?

Answer 14

by growing them in thioglycolate broth

Question 15

How are Bacterial FLagella recognized?

Answer 15

H antigen

TLR5 or NLRC4

Question 16

How are capsules recognized?

Answer 16

K antigen