Aerobes vs. Anaerobes

Question 1

Are C. tetani aerobic or anaerobic?

Answer 1

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 1

Are Streptococcus pyogenes aerobic or anaerobic?

Answer 1

Aerobic.

Streptococcus pyogenes are aerobic bacteria.

Question 1

Are Enterococcus faecium aerobic or anaerobic?

Answer 1

“Aerobic”

Members of the Enterococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 2

Are E. faecalis or anaerobic?

Answer 2

“Aerobic”

Members of the Enterococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 3

Are N. gonorrheae aerobic or anaerobic?

Answer 3

Aerobic.

Pathogens of the Neisseria genus are obligate aerobes. They are Neisseria gonorrheae and Neisseria meningitidis.

Question 3

Are Pseudomonas aeruginosa aerobic or anaerobic?

Answer 3

Aerobic.

Members of the Pseudomonas genus are aerobes.

Question 4

Are Klebsiella spp. [any species] aerobic or anaerobic?

Answer 4

“Aerobic”

Members of the Klebsiella genus are facultative anaerobes.

Question 5

Are E. faecium aerobic or anaerobic?

Answer 5

“Aerobic”

Members of the Enterococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 5

Are K. spp. [any species] aerobic or anaerobic?

Answer 5

“Aerobic”

Members of the Klebsiella genus are facultative anaerobes.

Question 6

Are Streptococcus viridans aerobic or anaerobic?

Answer 6

“Aerobic”

Streptococcus viridans are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 7

Are H. influenzae aerobic or anaerobic?

Answer 7

“Aerobic”

Haemophilus influenzae are facultative anaerobes. All members of the Haemophilus genus are either aerobic or facultatively anaerobic.

Question 9

Are C. perfringens aerobic or anaerobic?

Answer 9

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 10

Are P. aeruginosa aerobic or anaerobic?

Answer 10

Aerobic.

Members of the Pseudomonas genus are aerobes.

Question 11

Are B. fragilis aerobic or anaerobic?

Answer 11

Anaerobic.

Note: All Bacteroides spp. are obligately anaerobic.

Question 12

Are S. aureus aerobic or anaerobic?

Answer 12

“Aerobic”

Members of the Staphylococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 13

Are C. botulinum aerobic or anaerobic?

Answer 13

Anaerobic. Note: All Clostridium spp. are obligately anaerobic.

Question 13

Are Clostridium botulinum aerobic or anaerobic?

Answer 13

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 14

Are S. pneumoniae aerobic or anaerobic?

Answer 14

“Aerobic”.

Streptococcus pneumoniae are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 15

Are Clostridium tetani aerobic or anaerobic?

Answer 15

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 17

Are S. viridans aerobic or anaerobic?

Answer 17

“Aerobic”

Streptococcus viridans are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 18

Are Streptococcus pneumoniae aerobic or anaerobic?

Answer 18

“Aerobic”.

Streptococcus pneumoniae are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 20

Are Bacteroides fragilis aerobic or anaerobic?

Answer 20

Anaerobic. Note: All Bacteroides spp. are obligately anaerobic.

Question 21

Are C. difficile aerobic or anaerobic?

Answer 21

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 22

Are Haemophilus influenzae aerobic or anaerobic?

Answer 22

“Aerobic”

Haemophilus influenzae are facultative anaerobes. All members of the Haemophilus genus are either aerobic or facultatively anaerobic.

Question 24

Are S. pyogenes aerobic or anaerobic?

Answer 24

Aerobic.

Streptococcus pyogenes are aerobic bacteria.

Question 25

Are E. coli aerobic or anaerobic?

Answer 25

“Aerobic”

Members of the Escherichia genus are facultative anaerobes.

Question 27

Are Clostridium difficile aerobic or anaerobic?

Answer 27

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 28

Are Staphylococcus aureus aerobic or anaerobic?

Answer 28

“Aerobic”

Members of the Staphylococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 29

Are Clostridium perfringens aerobic or anaerobic?

Answer 29

Anaerobic.

Note: All Clostridium spp. are obligately anaerobic.

Question 30

Are Enterococcus faecalis aerobic or anaerobic?

Answer 30

“Aerobic”

Members of the Enterococcus genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 31

Are Escherichia coli aerobic or anaerobic?

Answer 31

“Aerobic”

Members of the Escherichia genus are facultative anaerobes, meaning they usually make ATP via aerobic respiration, but they can switch to fermentation or anaerobic respiration in the absence of oxygen.

Question 32

Are Neisseria gonorrheae aerobic or anaerobic?

Answer 32

Aerobic.

Pathogens of the Neisseria genus are obligate aerobes. They are Neisseria gonorrheae and Neisseria meningitidis.