What do you mean by obligate aerobes? Give some examples.

What do you mean by facultative aerobes? Give some examples.

What is meant when it is said that a bacteria is an obligate anaerobe?

How is human activity influencing how microorganisms interact in their natural environment? Provide 3 examples.

The following table depicts characteristics of five prokaryotic species (A- E). Use the information in the table to answer the following question. Trait Species A Species B None Species C R Species D Species E None Plasmid Gram Staining Variable Results Nutritional Mode Variable Negative Negative Negative Chemohete ro- Chemohete ro- Photoauto- troph Anaerobic butanolic fermentation Chemohete ro- Chemoauto- troph Aerobic methanotroph methanogen (obtains carbon and energy from methane) troph Anaerobic troph Anaerobic lactic add fermentation troph Anaerobic nitrogen fixation and aerobic photosystems I and II Thylakoids Specialized Metabolic Pathways Other Features Fimbriae Intemal Flagellum Pili membranes Which two species should have much more phospholipid, in the form of bilayers, in their cytoplasms than most other bacteria? species B and E species C and D O species A and C O species A and B

Can an object be considered clean with bacteria on it?

What do you expect to see in successful generating and cleaning up the riboprobes?

How is it possible for microbes to grow both in oxygen and carbon dioxide

Your friend believes that prokaryotes are always detrimental and pathogenic. How would you explain to them that they are wrong? Support your answer with 2 examples? 2. Many people use antimicrobial soap to kill bacteria on their hands. However, overuse may increase the risk of infection. How could this occur? Give at least 2 examples (names) of prokaryotes that we can find in the Dead Sea? . Give other examples (at least 3) of uniquely hostile environments? . What domain of living organisms dominates such environments?

What is the rational for classifying microorganisms as aerobic and anaerobic? Be sure to incude the names of any enzymes if applicable.