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aerobes are those which require free molecular oxygen about 21% in air while facultative anaerobes can survive in both conditions presence and absence of oxygen
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What is the difference between an aerobe and an anaerobe?
Aerobes utilize and thrive in oxygen, anaerobes are killed/ fail to thrive in oxygen.
What is the difference between aerobes and facultative aerobes?
Aerobes require oxygen for growth and metabolism, while facultative anaerobes can switch between aerobic respiration in the presence of oxygen and fermentation in the absence of oxygen. Facultative anaerobes have the flexibility to thrive in both oxygen-rich and oxygen-poor environments.
What the different between aerobe and an anaerobe?
Aerobes utilize and thrive in oxygen, anaerobes are killed/ fail to thrive in oxygen.
List two forms of anerobes?
* 1.) Obligate Anaerobes (can live only oxygen-free environment)* 2.) Facultative Anaerobes (can live oxygen including environment, but makes anaerobic fermentation)
What is the different between obligate anaerobe and facultative anaerobe?
Facultative anaerobes does not need o2 to grow but can also grow with o2. Obligate anaerobe cannot grow at all in the presence of o2.
What is the difference between a aerobe and anerobe?
aerobes are those which require free molecular oxygen about 21% in air while facultative anaerobes can survive in both conditions presence and absence of oxygen
Is staphylococcus aureus obligate aerobe?
Streptococcus pyogenes is a facultative anaerobic gram-positive bacterium. It is not a obligate aerobe. It consists of long chains of round cells. The bacteria is non-motile, meaning it does not move.
Facultative anaerobes can switch between cellular respiration and?
Capable of switching to fermentation
What is the difference between an aerotolerant anaerobe and a facultative anaerobe?
Aerotolerant anaerobes can survive in the presence of oxygen but do not use it for metabolism, while facultative anaerobes can switch between aerobic and anaerobic metabolism depending on oxygen availability. Aerotolerant anaerobes typically ferment sugars, whereas facultative anaerobes can perform both aerobic respiration and fermentation.
Why is there a colored band at the surface of fluid thioglycollate medium which is more desirable a thick or thin colored band?
The higher viscosity of the Fluid Thioglycollate Medium prevents rapid uptake of oxygen and helps maintain the stratification of organisms growing in different layers of the broth.Oxygen is driven out of the broth by autoclaving, but as the broths sit at room temperature, oxygen begins to diffuse back into the tube. Any increase in the oxygen content is indicated by the redox indicator sodium resazurin which changes its color to red.Obligate aerobes will only grow in this oxygen-rich top layer. Obligate anaerobes will only grow in the lower areas of the tube. Microaerophiles will grow in a thin layer below the richly-oxygenated layer. Facultative or aerotolerant anaerobes can grow throughout the medium but will primarily grow in the middle of the tube, between the oxygen-rich and oxygen-free zones.
Bacteria that survive with or without oxygen are known as?
There are two groups of organisms that are capable of thriving in an environment without oxygen. Facultative Anaerobes Anaerobes Facultative means with or without.
Can all members of the domain Archaea survive only in the absence of oxygen?
No, not all members of the domain Archaea require an oxygen-free environment for survival. While some Archaea are obligate anaerobes that cannot survive in the presence of oxygen, others are facultative anaerobes that can switch between anaerobic and aerobic metabolism depending on oxygen availability.
