Lesson 6

Question 1

Three phenotypic categories of bacteria

Answer 1

Gram negative and have cell wall
Gram positive and have cell wall
Lack cell wall

Question 2

Bacteria’s shape os usually about

Answer 2

0.2 m to 10.0 m

Question 3

Three basic shapes of bacteria

Answer 3

Cocci
Bacilli
Spirilla

Question 4

Bacteria reproduce by ______

Answer 4

Binary fission

Question 5

Bacterial cell split into two cells

Answer 5

Binary fission

Question 6

Pair cocci

Answer 6

Diplococci

Question 7

Chains of cocci

Answer 7

Streptococci

Question 8

Cluster of cocci

Answer 8

Staphylococci

Question 9

Some rods are quite short, resembling elongated cocci

Answer 9

Coccobacilli

Question 10

Example of bacilli

Answer 10

Escherichia
Klebsiella
Salmonella
Shigella

Question 11

The cause of syphilis

Answer 11

Treponema

Question 12

Bacteria that exist in a variety of shapes

Answer 12

Pleomorphic

Question 13

A glass microscope slide

Answer 13

Smear

Question 14

Two common methods of fixation

Answer 14

Heat fixation
Methanol fixation

Question 15

Passing the smear through Bunsen Burner Flame

Answer 15

Heat fixation

Question 16

Flooding the smear with absolute methanol for 30 seconds

Answer 16

Methanol fixation

Question 17

A dye applied in smear

Answer 17

Methylene blue

Question 18

To observe bacterial capsules, spores, and flagella

A. Structural staining procedures
B. Differential staining procedures

Answer 18

A

Question 19

The gram and acid-fast staining procedures

A. Structural staining procedures
B. Differential staining procedures

Answer 19

B

Question 20

Gram staining procedure is developed by

Answer 20

Dr. Hans Christian Gram

Question 21

These species are often identified using a staining procedure called acid-fast stain

Answer 21

Mycobacterium

Question 22

This is useful in the tuberculosis laboratory / TB lab

Answer 22

Acid-fast staining

Question 23

Thr acid fast staining procedure was developed by

Answer 23

Paul Ehrlich

Question 24

A bacteria is able to swim is called

Answer 24

Motile

Question 25

A bacteria is not able to swim is called

Answer 25

Nonmotile

Question 26

Bacterial motility is most associated with the presence of what?

Answer 26

Flagella or axial filament

Question 27

Do a bacteria posseses cilia

Answer 27

No

Question 28

These organisms will only grow “along the stab line”

Answer 28

Nonmotile

Question 29

These organisms will “spread away from the stab line”

Answer 29

Motile

Question 30

A mound or pile of bacteria

Answer 30

Bacterial colony

Question 31

Organisms with specially demanding nutritional requirements to grow in the laboratory

Answer 31

Fastidious organisms

Question 32

The ability to cause disease

Answer 32

Pathogenicity

Question 33

Pathogenicity is tested by injecting the organism into the??

Answer 33

Mice or cell cultures

Question 34

They are referred to as “unique”or “rudimentary bacteria”

Answer 34

Rickettsia
Chlasmydia
Mycoplasmas

Question 35

Rickettsia was named for

Answer 35

Howard T. Rickets, a US pathologist

Question 36

They are transmitted by anthropod vectors like lice, fleas and ticks

Answer 36

Rickettsia

Question 37

Disease caused by rickettsia

Answer 37

Typhus
Typhus like disease (rocky mountain spotted fever)

Question 38

They are referred as energy parasites

Answer 38

Chlasmydia

Question 39

First organism capable of carrying oxygenix photosynthesis

Answer 39

Cyanobacteria