Lab P - Bacteria

Question 1

Ubiquitous

Answer 1

“Present everywhere”

Question 2

Cultured

Answer 2

Bacteria that comes (was grown) from a laboratory setting

Question 3

Inoculation

Answer 3

The process of introducing bacteria to a solid or liquid growth medium.

Question 4

Colony

Answer 4

A single bacteria that continuously divides until it forms a small pile

Question 5

Media (liquid broth or solid agar)

Answer 5

Allow the growth of many bacterial organisms or restrict growth to only some specific types (selective)

Question 6

Cocci

Answer 6

Spheres

Question 7

Bacilli

Answer 7

Rods

Question 8

Spirilla

Answer 8

Spirals

Question 9

Strepto

Answer 9

In chains

Question 10

Diplo

Answer 10

In pairs

Question 11

Staphylo

Answer 11

In clusters

Question 12

Gram Reaction

Answer 12

One of the most important tests for classifying bacteria.

Question 13

Gram positive

Answer 13

Bacteria that is stained dark purple by the reaction

Question 14

Gram-negative

Answer 14

Bacteria that is stained pink

Question 15

Peptidoglycan

Answer 15

a complex polysaccharide unique to bacteria. Gram-positive bacteria have cells walls composed primarily of this.

Question 16

Sterilization

Answer 16

The destruction of all forms of life

Question 17

Autoclave

Answer 17

A sterilization tool

Question 18

Disinfection

Answer 18

Destroys pathogenic microorganisms (not necessarily all life).

Question 19

Physical Agents

Answer 19

Heat, UV, radiation, ionizing radiation, sonic disruption, and filtration.

Question 20

Chemical Agents

Answer 20

Lysol, phenols, detergents, iodine, and formaldehyde.

Question 21

Cidal

Answer 21

Chemicals that kill pathogens- lethal.

Question 22

Static

Answer 22

Chemicals that temporarily arrest growth - Bacteriostatic, fungistatic.

Question 23

Antisepsis (Degermination)

Answer 23

The chemical disinfectant of skin

Question 24

Triclosan

Answer 24

An active ingredient in most antibacterial household soaps.

Question 25

Bacterial lawn

Answer 25

A thick film of bacteria

Question 26

Zone of inhibition

Answer 26

The clearing around the disc.