Ch2

Question 1

What other synonyms for peptidoglycan?

Answer 1

Murien
Mucopeptide

Question 2

Peptidoglycan allows the cell to withstand high osmotic pressure, true or false?

Answer 2

False
low

Question 3

Endotoxins are actively secreted from

Answer 3

Bacteria

Question 4

The symptoms caused by the endotoxin is different from each other while the severity is the same
True or false?

Answer 4

Same / different

Question 5

Symptoms caused by exotoxins are different
True / false?

Answer 5

True

Question 6

members of the genus Neisseria, have an outer lipooligosaccharide (LOS) containing very few repeating units of sugars.

Answer 6

True

Question 7

What are two distinct areas in cytoplasm?

Answer 7

1 amorphous matrix
2 inner

Question 8

Hat

What is volutin?

Answer 8

Reserve of high energy stored in the form of polymerized metaphosphate

Question 9

Which granules are known as metachromatic granules?

Answer 9

Volutin

Question 10

Metachromatic granules are a characteristic feature of which bacteria?

Answer 10

Corynebacterium diphtheriae

Question 11

Borrelia burgdorferi is:
A bacilli
B Cocci
C Spirochetes
D None of the above

Answer 11

C

Question 12

What disease does Borrelia burgdorferi cause?

Answer 12

Lyme disease

Question 13

Bacterial DNA has no exons True or false

Answer 13

False
It has no introns 

Question 14

Plasmids occur in:
A. Gram-negative bacteria
B. Gram-positive bacteria
C. A+B
D. none of the above

Answer 14

C

Question 15

What are two types of plasmid?

Answer 15

Transmissible
Nontransmissible

Question 16

What is the weight for transmissible plasmids?

Answer 16

40-100 million

Question 17

What is the molecular weight for nontransmissible plasmids

Answer 17

3-20 million

Question 18

How many copies of transmissible plasmids are presented in one cell?

Answer 18

1-3

Question 19

How many copies of nontransmissible plasmids are presented in one cell?

Answer 19

10-60

Question 20

Bacteriocins are:
A. Lipid
B. carbohydrate
C. protein

Answer 20

C

Question 21

How many different serotype of streptococcus pneumonia?

Answer 21

91

Question 22

What is quellung reaction?

Question 23

What is chemotaxis?

Answer 23

orientation or movement of an organism or cell in relation to chemical agents.

Question 24

What is the subunit of flagella?

Answer 24

Is composed of many subunits of a single protein flagellin allegedly

Question 25

How do spirochetes move?

Answer 25

By using a flagellum-Like called axial filament

Question 26

Mini rods have flagella but most cocci don’t

Question 27

What’s the movement of axial filament called?

Answer 27

Undulating

Question 28

Pili is hair like filaments Flagella is whiplike appendages

Question 29

What are the important role of pili in bacteria

Answer 29

They mediated attachment of bacteria to specific receptors on the human cell surface