Microbiology Answers

Discuss the factors that influence the effectiveness of antimicrobial agents

All of the following are examples of methods involved in microbial ecology except

1.viable counts

2.turnover

3.fimbria

4.ribosomal RNA

What are the five major groups of microorganisms? Give examples of each.

Compare and contrast a Heterotroph and an Autotroph microbes. How these organisms obtain their source of energy?

What shapes can viruses have and what structure determined that shape?

Why do biologists stain cells when they want to observe a nucleus and other organelles in the cell?                                                                                              

A teacher told his students that the human body makes the equivalent of its own mass in ATP everyday. Explain why at the end of the day only a small proportion of the students' mass was ATP.

1. A 44 year old male has 7 days history of fever. Dengue rapid tests were requested with the following results:

                     Dengue NS1 Ag = negative

                      Dengue IgM = positive                                         Dengue IgG = positive 

Discuss the phosphorus cycle.

Also include the various natural sources of phosphorus that are present and how does the cycle basically functions or move from one source to the other.

Define and state one organism responsible for these process: ammonification, 

nitrification, denitrification, nitrogen fixation, decomposition