What is a Protist
The only consistent characteristic of protists is
that they are all eukaryotes.
1000 times larger than prokaryotes (in general)
Unicellular (in general)
Critical Thinking Chapter 9
1. Explain the relationship among the following terms: genomics, proteomics, gene, protein,
genotype, and phenotype.
Genomics is the study of an organisms entire genome. Proteomics is the study of
Bordetella pertussis (Whooping Cough) G-rod
Symptoms- 2 distinct system phases called cartarrhal and paroxysmal followed by a long
recovery phase. Cartarrahl stage is cold symptoms, runny nose, fever, sore throat, etc.
Paroxysmal phase is more severe an
Critical Thinking Chapter 6
1. Provide evidence in support of or refuting the following statement: Viruses are simple
cellular agents of disease.
Viruses are simple cellular agents of disease. They must be dealt with through
Critical Thinking Chapter 7
1. Provide an example of an organism within each of the four main nutritional categories
of microbes and describe how each obtains its essential nutrients.
The four main nutritional categories of mi
Critical Thinking Chapter 4
1. Define the term ubiquitous and explain whether this term can be used appropriately to
describe bacteria and archaea.
Ubiquitous-present everywhere at the same time. Ubiquitous can be used to
Critical Thinking Chapter 5
1. Summarize the endosymbiotic theory and explain how it accounts for major structural
similarities and differences between bacterial and eukaryotic cells.
This theory states that larger precursor
Critical Thinking Chapter 1
1. Develop one argument in support of or refuting the following statement: Viruses are
Viruses are nonliving microorganisms because they are noncellular and parasitic.
Eukaryotic Cells and
The History of Eukaryotes
The History of Eukaryotes
eukaryotic cells appeared
2 3 b.y.a.
Last Common Ancestor.
Neither prokaryotic or eukaryotic
Gave rise to bacteria and eukarya separately
Helminth is greek for worm
Most adults are large enough to see with
unaided human eye
Classified as microorganisms b/c microscope is
needed to view the eggs and larvae
Grouped according to shape and h
An Introduction to the Viruses
Pasteur developed a vaccine for rabies
term virus (Latin for poison)
Ivanovski and Beijernick: tobacco virus
Loeffler and Frosch: foot-and-mouth disease
Viruses can infect
The Main Themes of
The Scope of Microbiology
Microorganisms or microbes
Germs, viruses, or agents
The Impact of Mi
Escherchia coli (Travelers diarrhea) G-
Symptoms- Bloody diarrhea, stomach cramps, nausea, anemia, kidney failure, which can lead to
death, fever, pale skin, bruising, and urinary tract infections.
Infective Source- Drinking water or eating food that h