Chapter 5

Question 1

What does the bacterial chromosome have?

Answer 1

Genes

Question 2

What 2 features of bacteria are all these genes essential for?

Answer 2

Survival

Replication

Question 3

Describe Plasmid

Answer 3

Double stranded DNA

Question 4

Describe this double stranded DNA

Answer 4

Extra-chromosomal

Question 5

Where is the plasmid found in the bacterial cell?

Answer 5

Cytoplasm

Question 6

What is the plasmid capable of doing in the cytoplasm?

Answer 6

Self-replication

Question 7

What is the relationship between the plasmid and the bacterial growth?

Answer 7

Not essential for bacterial growth

Question 8

Why isn’t the plasmid essential for bacterial growth?

Answer 8

Bacteria unaffected by its loss

Question 9

What are the 2 plasma types?

Answer 9

Conjugative

Non-conjugative

Question 10

According to what feature is the plasmid classified into 2 types?

Answer 10

Transfer properties

Question 11

Describe is the size of Conjugative plasmid

Answer 11

Large

Question 12

What does Conjugative plasmid pose?

2 points

Answer 12

Genes

F factor

Question 13

What do the genes of Conjugative factor code for? (3 points)

Answer 13

Self-replication
DNA Transfer
Sex Pilus

Question 14

Describe the number of copies of Conjugative plasmid

Answer 14

Few

Question 15

What is the number of copies of Conjugative plasmid/cell?

Answer 15

1-5

Question 16

What is the Conjugative plasmid referred to as?

Answer 16

Stringent

Question 17

Which bacteria is Conjugative plasmid found in?

Answer 17

Gram Negative Bacilli

Question 18

Describe the size of Non-Conjugative plasmid

Answer 18

Small

Question 19

What does Non-Conjugative plasmid lack?

2 points

Answer 19

Sex Pilus genes

F Factor

Question 20

Describe the number of copies of Non-Conjugative plasmid

Answer 20

Large

Question 21

What is the number of copies of Non-Conjugative plasmid/cell?

Answer 21

> 30

Question 22

What is the Non-Conjugative plasmid referred to as?

Answer 22

Relaxed

Question 23

Which bacteria is Non-Conjugative plasmid found in?

Answer 23

Gram Positive Cocci

Question 24

How is Non-Conjugative plasmid transferred?

Answer 24

By Conjugative plasmid

Question 25

What does F in F factor strand for?

Answer 25

Fertility

Question 26

What does R in R factor strand for?

Answer 26

Resistance

Question 27

What is the function of F factor?

Answer 27

Codes for Sex Pili

Question 28

What is the function of R factor?

Answer 28

Carries antibiotic resistance genes

Question 29

Describe Transposable genetic elements

Answer 29

DNA segments

Question 30

What is an alternative name for Transposable genetic elements?

Answer 30

Jumping genes

Question 31

Why are the Transposable genetic elements called Jumping genes?

Answer 31

Move from one location to another

Question 32

Within what do Transposable genetic elements move from one location to another?

Answer 32

DNA

Question 33

What are the Transposable genetic elements not capable of?

Answer 33

Self-Replication

Question 34

What does the Transposable genetic elements play a role in? (3 points)

Answer 34

Gene mutation Antibiotic resistance Contribution

Question 35

What does the Transposable genetic elements contribute to?

Answer 35

Virulence

Question 36

What does the Transposable genetic elements contribute to virulence in?

Answer 36

Pathogenic organisms

Question 37

What are the 4 Transposable genetic elements?

Answer 37

Pathogenicity Islands (PAIs) Insertion sequences Integrons Transposons (Tn)