lecture 34 - antibiotics Flashcards

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

What is selective toxicity?

A

Selectively toxic compounds are designed to kill microbial cells without causing damage to the host cell

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

How does penicillin target bacteria?

A

Primarily by interfering with normal formation of the bacterial cell wall by inhibiting the formation of peptidoglycan cross-links.

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

How does antibiotic resistance arise?

A

Horizontal and vertical gene transfer - beneficial antibiotic mutations can be spread throughout bacterial populations.

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

What is the enzyme produced by bacteria to resist penicillin?

A

Beta lactamase - disables penicillin structure

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