Reference no: EM133341853
Assignment:
Answer the following questions:
What classifications of organisms are the most abundant on earth?
Compare and contrast the similarities/differences in prokaryotic and eukaryotic cells (size, complexity, presence or lack of a nucleus, organelles)
- Trait Prokaryotic cells Eukaryotic cells
- size
- complexity
- nucleus:
- present/not present
- organelles
What are the three domains?
What types of cells make up each domain?
What groups of organisms are in each domain?
In what domain are bacteria?
What are the three common shapes of bacteria?
What are the three functions of a cell wall?
Into what two groups does the Gram stain divide bacteria?
What accounts for this difference?
Why is Gram staining important in medicine?
What is a capsule?
What is fimbriae?
Are bacteria motile?
Describe the genome of prokaryotes.
What are plasmids?
How do prokaryotes reproduce?
What are three distinct features of prokaryotes reproduction?
What are bacterial endospores?
What do they contain?
When are they important to the bacteria?
Do all bacteria produce them?
Name an example of when endospores could be a problem to us.
What three factors give rise to the high levels of genetic diversity in prokaryotes?
What are the three types of
genetic recombinations?
What is transformation?
What is transduction?
Describe conjugation.
How do the F factor and Hfr cell differ? How are they alike?
What are the R plasmids and why are they important to us?
Why are Archaea known as "extremophiles"?
What is the difference in aerobic and anaerobic organisms?
Methanogens:
a) Where do they live?
b) What do they produce as a waste product?
c) Anaerobes or aerobes?
d) Can they live under kilometer of ice in Greenland?
e) Why do they often live in the guts of cattle and termites?
f) They play an important role as decomposers in what type of facilities?
What does Legionella causes?
- Salmonella?
- Vibrio cholerae?
- Helicobacter pylori?
- Chalmydias?
- Treponema pallidum?
What is the only photosynthetic bacteria?
What is a common resident of the intestines of humans and other mammals and normally not pathogenic?
What does Borrelia burgdorferi cause?
Why is Bacillus anthracis of interest?
What are some things Clostridium can cause?
What are only known bacteria know to lack cell walls? Are they free living in soil or pathogenic or depends on species? Are they the tiniest of all known cells?
What is the most common food borne infection due to?
What is the most common cause of food borne intoxication due to?
What is MRSA? What causes it?
What bacteria is the most common source of a sore throat due to a bacterial infection?
What does Yersinia pestis cause? Any cases in the U. S.?
What is the most ecological importance of prokaryotes?
Is it true All pathogenic prokaryotes known are bacteria?
Did you know bacteria cause one half of all human diseases?
Are most bacteria helpful or harmful??