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Microbiology: Bacteria and Antibiotics, Quizzes of Biology

Definitions and terms related to bacteria and antibiotics, including their growth patterns, media used, resistance, and testing methods. Topics covered include the difference between bacteria and molds, deep earth bacteria, blood agar plates, peptidoglycan, tsa media, types of red blood cell reactions, antiseptics, zone of inhibition, influence of uv light, and antibiotic testing methods.

Typology: Quizzes

2013/2014

Uploaded on 02/23/2014

eneahring
eneahring 🇺🇸

8 documents

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bg1
TERM 1
Bacteria appear as fuzzy colonies on petri
plates in contrast to smooth surfaced molds
DEFINITION 1
FALSE
TERM 2
Bacteria are found deep within the earths
crust
DEFINITION 2
true
TERM 3
Blood agar plates were used for samples
originating from human/skin surfaces
DEFINITION 3
true
TERM 4
peptidoglycan is unique to the bacteria world
DEFINITION 4
true
TERM 5
TSA is general purpose media
DEFINITION 5
true
pf3
pf4
pf5

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Bacteria appear as fuzzy colonies on petri

plates in contrast to smooth surfaced molds

FALSE

TERM 2

Bacteria are found deep within the earths

crust

DEFINITION 2

true

TERM 3

Blood agar plates were used for samples

originating from human/skin surfaces

DEFINITION 3

true

TERM 4

peptidoglycan is unique to the bacteria world

DEFINITION 4

true

TERM 5

TSA is general purpose media

DEFINITION 5

true

gamma

no breakdown of red blood cells

TERM 7

beta

DEFINITION 7

complete breakdown of red blood cells

TERM 8

alpha

DEFINITION 8

partial breakdwon of red blood cells

TERM 9

Antiseptics are essentialy bacteriostatic

agents

DEFINITION 9

true

TERM 10

the zone of inhibition in antiseptic/disinfectant

is measured as diameter in mm

DEFINITION 10

false

it is best not to remove the cover the of petri

plate when exposing to UV light so as to

minimize contamination

false

TERM 17

UV light exposures may give rise to mutant

strains on petri dishes

DEFINITION 17

true

TERM 18

UV light is an excellent sterilizing agent for

empty petri plates

DEFINITION 18

false

TERM 19

you would expect a sporeforming bacteria to

be more resistant to prolonged heat exposure

DEFINITION 19

false

TERM 20

You would expect E. coli to be more resistant

to UV light than B subtilis

DEFINITION 20

false

You would expect E. coli to be more resistant

to prolonged heat exposure than B. subtilis

false

TERM 22

antimicrobial substances found naturally in

food

DEFINITION 22

allicin, lysozyme, polyphenol, coumarins

TERM 23

which organism has the greatest resistance to

various antibiotics

DEFINITION 23

P. aeruginosa

TERM 24

Antibiotic sensitive mutants may appear as

tiny colonies in the zone of inhibition

DEFINITION 24

false

TERM 25

In antibiotic testing zones ar emeasured

in

DEFINITION 25

diameter in mm