Question | Answer |
Procaryotes include ____ | bacteria whose cells lack a true nucleus |
Eucaryotes include _____ | algae, fungi, and protozoa, whose cells have a true nucleus |
List two types of cellular microbes | Procaryotes and eucaryotes |
What are acellular microbes? | not composed of cells and includes prions and viruses |
Microbiology is ____ | The study of microbes |
How do clinical microbiologists look at microbes? | Pathogens (cause disease)
Nonpathogens (do not cause disease) |
What are opportunistic pathogens? | normal to certain parts of the body and only cause disease when they gain access to a new part of the body or when the host is weakened by stress or disease |
What are true pathogens? | not normal inhabitants and host does not need to be weakened |
When do infectious diseases occur? | When a pathogen invades the body and it's presence causes a disease |
Which is more common, infectious disease or microbial intoxication? | Infectious disease |
What is an example of an infectious disease? | strep throat |
When does a microbial intoxication occur? | when someone ingests a toxin produced by a pathogen |
What are two examples of a microbial intoxication? | botulism, dyptheria |
What is taxonomy? | the science of classifying organisms |
What is nomenclature? | the assignment of names to taxonomic groups (taxa) |
How are bacteria discussed in terms of nomenclature? | by genus and species -- where genus is capitalized and both genus and species are italicized
or
by family name that is capitalized but not italicized |