Oxygen Requirements
What is an obligate anaerobe?
Organisms that cannot survive in the presence of oxygen.
What is an organism's ideal temperature known as?
Optimum temperature
What is the symbiotic relationship where both the host and member benefit?
Mutualism
True or false, barophiles require high pressure environments.
True
What are the hair-like projections called that certain microbes use for adhesion?
Fimbria
What are two enzymes produced by bacteria that can use oxygen?
Superoxide dismutase and catalase
What are most microbes classified as in regards to pH requirements?
Neutrophiles
What is parasitism?
When the parasite gains nutrients and benefits, while the host is harmed.
What is a halophile
An organism that lives in high salt environments.
Which way do flagella rotate during a tumble?
Clockwise
What enzymes are produced by aerotolerant microbes?
Superoxide dismutase only
What is a cold-loving bacteria known as?
Psychrophile
True or false, synergism is when certain microbes can inhibit the growth of others.
False, antagonism
What does osmotolerant mean?
Describes organisms that can tolerate high solute concentrations.
What do metachromatic granules store?
Phosphate
What is a facultative anaerobe?
What is pH range do alkalinophiles prefer?
9-12 (basic)
Who is harmed in commensalism?
Neither the host or commensal
What is the term for an organism that requires high concentrations of CO2 to survive?
Capnophile
What are the TWO genera that produce endospores?
Bacillus and Clostridium
What is an example of a microaerophile?
Micrococcus luteus or Micrococcus roseus
What is an example of a mesophile?
Staphylococcus aureus, Escherichia coli, basically anything
What is an example of a parasitic relationship?
An infection by the parasite Plasmodium malariae; parasite benefits and host red blood cells are ruptured.
Out of these microbes
Campylobacter jejuni, Escherichia coli, Vibrio cholerae, and Neisseria gonorrhoeae, which TWO are considered capnophiles?
Campylobacter jejuni and Neisseria gonorrhoeae
What genus of bacteria lack a cell wall?
Mycoplasmas