1. The Microbial World and You. Instructor : Dr. Ahmad Saleh. Microbes in Our Lives. Microbiology is the study of microorganisms. The overall theme of the Microbiology course is to study the relationship between microbes and our lives.
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The Microbial World and You
Instructor : Dr. Ahmad Saleh
(Non-living infectious agents)
that derive nutrients from living hosts).
are composed of cellulose (a carbohydrate).
either DNA or RNA.consist of DNA or RNA core
and come from preexisting cells.
microorganisms (animalcules) that he observed in
teeth scrapings, rain water.
antiviral drugs (why ?)
of MOs that are resistant to antibiotics.
(due to bacterial enzymes that inactivate antibiotics,
or prevention of Abt. From entering the microbe.)
immune system, inhibit the replication of viruses and
are used to treat viral diseases and cancer.
bacteria according to serotypes (variants within
a species) based on certain components in the cell
walls of the bacteria, was proposed by Rebecca
Lancefield in 1933.
Figure 1.4 (3 of 3)
toxic wastes produced by various industrial processes.
cleaners to remove clogs
Bacillus, their enzymes used in household detergents.