3th

Question 1

Escherichia coli generation time

Answer 1

12.5 minutes

Question 2

Staphylococcus aureus generation time

Answer 2

27-30 minutes

Question 3

Mycobacterium Tb generation time

Answer 3

18-24 hours

Question 4

Treponema pallidum generation time

Answer 4

30 hours

Question 5

E.g on psychrophiles

Answer 5

Found in oceans (listeria monocytogenes)

Question 6

E.g on mesophiles

Answer 6

Normal human microbiota (E.coli,,,salmonella spp,,,,lactobacillus spp)

Question 7

E.g on thermophiles

Answer 7

Thermus aquaticus & geobacillus spp

Question 8

E.g on acidophiles bacteria

Answer 8

Helicobacter pylori

Question 9

E.g on alkalophiles bacteria

Answer 9

Vibrio cholera (grows best at 8 pH)

Question 10

A bacteria that can tolerate acidic environments at pH values 3.5-6.8

Answer 10

Lactobacillus

Question 11

The most suitable bacteria in temperature to live in humans

Answer 11

Mesophiles

Question 12

Osmo

Answer 12

High solute

Question 13

Halo

Answer 13

High salt

Question 14

Baro

Answer 14

Hight pressure

Question 15

What does Anaerobes use instead of oxygen as their final electron accepeter

Answer 15

Nitrate,nitrite,sulfate

Question 16

Enzymes aerobic bacteria use to get rid of oxygen radical

Answer 16

Catalase,superoxide dismutase

Question 17

E.g on obligate aerobes

Answer 17

Bacillus
Pseudomonas
Mycobacterium

Question 18

E.g on obligate anaerobes

Answer 18

Actinomyces
Bacteroides
Clostridium

Question 19

E.g on facultative anaerobes

Answer 19

Enterobacteriaceae
Staphylococcus aureus

Question 20

E.g on Aerotolerant anaerobes

Answer 20

Lactobacillus

Question 21

E.g on capnophiles

Answer 21

Haemophilus influenzae
Neisseria gonorrhea