Bactria

Question 1

There are Bacteria cannot be classified by Gram stain Like

Answer 1

mycobacteria

Question 2

distinguished with the acid-fast stain, and mycoplasmas

Answer 2

mycobacteria

Question 3

have no peptidoglycan.

Answer 3

mycobacteria

Question 4

Thick Peptidoglycan Layers + Tichoic acid + Lipotichoic acid .

Answer 4

Gram Positive

Question 5

single polar flagella .

Answer 5

monotrichous

Question 6

single flagellum at both ends

Answer 6

amphitrichous

Question 7

two or more flagella at one or both ends .

Answer 7

lophotrichous

Question 8

flagella distributed all over the cell .
5- Atrichous :- without flagella

Answer 8

Atrichous

Question 9

adapt with environment in media without growing

Answer 9

Lag phas

Question 10

the bacteria will grow and divide with doubling time ( multiply ) .

Answer 10

Log phase

Question 11

stop growing

Answer 11

Stationary phase

Question 12

death increased and stop growing

Answer 12

Decline

Question 13

Brightfield (( light )) microscope :-this microscope stained by

Answer 13

Gram stain.

Question 14

is microorganisms (bacteria) that lack cell wall.

Answer 14

Mycoplasm

Question 15

can not be identified by Gram stain.

Answer 15

Mycoplasm

Question 16

Bacteria cells divided by

Answer 16

binary fission

Question 17

Bacteria exchange genetic information carried by

Answer 17

plasmid

Question 18

substanse use in catalyse reaction is

Answer 18

H2O2

Question 19

unlike other forms of microscope , magnetic coils ((rather than lenses )) this microscope used beam of electron instead((بدلا من )) of light .

Answer 19

Electron Microscope

Question 20

There are two types of electron microscope

Answer 20

transmission-scanning