Brainscape's Knowledge GenomeTM

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


See full index

RUSVM PID > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

What makes a prokaryotic cell different from a eukaryotic cell?

A

No nucleus

No membrane-bound organelles

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

What does a plasmid contain?

A

Virulence factors

Resistance genes

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

What is the process called when bacteria transfer plasmids from one cell to another?

A

Conjugation

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

What does a gram-negative bacteria have?

A

Outer membrane
Thin layer of peptidoglycan
Lipopolysaccharides in outer membrane

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

What does a gram-positive bacteria have?

A

Thick layer of peptidoglycan

Teichoic acids attached to peptidoglycan

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

What color does gram-negative bacteria stain?

A

Pink

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

What color does gram-positive bacteria stain?

A

Purple

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

What enzymes link the components of a bacterial cell wall?

A

Penicillin-binding proteins (PBPs)

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

What are the roles of the outer membrane in gram-negative bacteria?

A

Selective permeability

Resistance to toxic compounds (antibiotics)

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

What are the roles of pili/fimbriae?

A

Adherence to surfaces

Bacterial interaction

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

What are the roles of a capsule in a bacterial cell?

A

Helps evade immune system
Attachment to surfaces
Increases tolerance to antimicrobials

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

What is a capsule (bacterial cells) made of?

A

Polysaccharides

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

What is an endospore?

A

Dormant bacteria that can survive in harsh conditions for long periods of time
Can become active again if they enter a host

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

What is commensalism symbiosis?

A

Relation is good for one, no problem for the other

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

What is the difference between balanced and unbalanced pathogenicity?

A

Balanced- damage w/ recovery

Unbalanced- high damage or death

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the definition of infection?

A

Invasion and multiplication of a microorganism eventually leading to disease

17
Q

What is a subacute infection?

A

Between acute & chronic

18
Q

What kind of bacteria are flagella usually found in?

A

Gram-negative bacteria

19
Q

What is an anatoxin?

A

A chemically treated toxin that is antigenic

20
Q

What does a type 1 exotoxin affect?

A

Cell metabolism via receptor binding

21
Q

What does a type 2 exotoxin affect?

A

Damages cell wall

22
Q

What does a type 3 exotoxin affect?

A

Part goes intracellular, part binds to the membrane

23
Q

What are effects of endotoxins?

A 
Fever
Sickness
Tissue damage
Cardiovascular Shock
Death
24
Q

What are 2 examples of an endotoxin?

A

LPS

Lipid A

25
Q

What are the 3 types of bacterial secretion systems?

A

Membrane Vesicles
Porins
Injection Systems (needle-like)

RUSVM PID (1 decks)

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