Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Microbiology > Morphology and Structure 1 > Flashcards

Morphology and Structure 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Name the shapes

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define diplo

A

pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

define staphylo

A

grape-like cluster

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

define strepto

A

chain/strip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

define tetrads

A

packet of 4 cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

define sarcina

A

packet of 8 cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Label each as gram positive bacteria, gram negative, or acid-fast bacteria

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what are the main components common to all three cell wall types

A

peptidoglycan and lipoproteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what are the alternative components of the peptidoglycan layer?

A

NAM and NAG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what are the 3 components of the peptidoglycan layer?

A

backbone (NAG and NAM)
tetrapeptide side chains
peptide cross-bridges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what color are gram positive and gram negative cells after a gram stain?

A

+ = purple
- = red/pink

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the shape of the gram + and gram - cells?

A

+ = staphylococcus
- = bacillus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Label the taped portions

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the three parts of LPS?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which part of LPS is a virulence factor? what does it do?

A

Lipid A, toxic moiety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what type of bacteria has teichoic acid and lipoteichoic acid (LTA)? what does it do?

A

gram-positive
adherence of bacteria to host cells

16
Q

what can initiate endotoxin-like activities when release upon bacterial lysis?

A

WTA/LTA and peptidoglycan in gram positive cells

17
Q

what two genera of bacteria are acid fast?

A

mycobacterium and nocardia

18
Q

what is the layer on acid-fast bacteria that gives the organism a waxy coat?

A

mycolic acid layer

19
Q

what are the stains used in acid-fast staining?

A

carbolfuchsin - acid-fast
methylene blue - nonacid-fast

20
Q

which of the following is acid fast and not?

A

A - not
B - acid-fast

21
Q

what are the stains used in gram stain?

A

crystal violet
iodine treatment
safranin

Microbiology (29 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions