Lab quiz 11-13

Question 1

Aerobe

Answer 1

Requires oxygen for survival

Question 2

Anaerobe

Answer 2

No O2, obtain energy from fermentation or anaerobic cell resp.

Question 3

Facultative Anaerobe

Answer 3

Can use respiration and fermentatiin, depending on presence of O2

Question 4

Aerotolerant anaerobe

Answer 4

Don’t use O2,but have enzymes to detoxify it.

Question 5

Obligate Anaerobe

Answer 5

Cannot survive in O2 environments, no O2 detoxifying agents.

Question 6

Microaerophiles

Answer 6

Carry out cell resp, only tolerate small amounts of O2

Question 7

Brewer Jar

Answer 7

Catalyst removes O2

Question 8

Sodium thyoglycollate

Answer 8

Contains reducing agent, and O2 indicators.

Question 9

Clostridium Sporogenes

Answer 9

Obligate Anaerobe

Question 10

Cornybacterium xerosis

Answer 10

Aerobic/facultative anaerobe

Question 11

Bacillus cereus

Answer 11

Facultative Anaerobe

Question 12

Lactobacillus acidophilus

Answer 12

Microaerophile

Question 13

Mycobacterium smegmatis

Answer 13

Aerobe

Question 14

Staphylococcus aureus

Answer 14

Facultative Anaerobe

Question 15

Streptococcus salivarius

Answer 15

Facultative Anaerobe

Question 16

Enterococcus faecalis

Answer 16

Facultative Anaerobe

Question 17

Psychrophilic

Answer 17

-5 – 15 Celsius

Question 18

Psychrotrophs

Answer 18

20-30 celcius

Question 19

Mesophile

Answer 19

25-45 Celsius

Question 20

Thermophile

Answer 20

45-70 Celcius

Question 21

Hyperthermophile

Answer 21

Above 70 Celsius

Question 22

TDT

Answer 22

Measures the time it takes to kill all of the bacteria at a specific temp.

Question 23

TDP

Answer 23

Lowest temperature where the bacteria are killed in a period of 10 minutes.