Microbial Nutrition

What is the difference between anaerobic respiration and fermentation?

What is a facultative anaerobe?

What is an obligate aerobe?

What is an obligate anaerobe?

What is a lithotroph?

What is an organotroph?

What is a mixotroph?

What is a photolithotrophic autotroph?

What is a chemoorganotrophic heterotroph?

What is a photoorganotrophic heterotroph?

What is a chemolithotrophic autotroph?

What is a chemolithotrophic heterotroph?

Can microorganisms belong to more than one nutritional type?

What are the two processes by which bacteria can obtain energy?

Which elements do microbial cells predominately consist of?

Which bacteria can use N2 as a nitrogen source?

Which microorganisms can assimilate organic compounds (such as amino acids, sugars, nitrogen bases, aromatic compounds etc) and use them to make new cell material?

Name two organic forms of nitrogen.

What is phosphorus required for?

What is sulphur required for and which inorganic forms is it found it?

Microorganisms in which habitat are more likely to require sodium for growth?

What is a siderophore?

How is a siderophore used?

Name a species that requires a large amount of iron and suggest where it might find it in the human body.

Name a species that can live in taps with only water, calcium and magnesium and requires very little iron.

Name a species that uses no detectable iron and seems to use Mn2+ in place of it.

What might iron be used for in a microbe cell?

What do 'growth factors' consist of in microbial nutrition?

Name some genii of lactic acid bacteria which are renowned for their vitamin requirements exceeding that of humans.

What is an autotroph? Give examples of autotrophic microorganisms.

What is a heterotroph? Give examples of heterotrophic organisms.

What is a prototroph?

What is an auxotroph?

What is a phototroph?

What is a chemotroph?