Bacterial genetics Flashcards

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

what are the 4 types of bacterial genetics?

A
  1. transformation
  2. conjugation
  3. transposition
  4. transduction
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is transformation?

A

ability to take up naked DNA from environment

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

what bacterias are able to do transformation?

A

SHiN
S. pneumoniae
H. influenzae type B
Neisseria

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

how can you prevent transformation?

A

by adding deoxyribonuclease to environment will degrade naked DNA in medium –> no transformation seen.

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

what are the 2 types of conjugation?

A
  1. F+ X F-

2. Hfr X F-

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

What does F+ plasmid contain?

A

F+ plasmid contains genes required for sex pilus and conjugation.

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

what is high-frequency recombination (Hfr) cell?

A

F+ plasmid can become incorporated into bacterial chromosomal DNA then that cell becomes Hfr cell.

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