BESC 204 exam 2 Question and answers 100% correct what are the Oomycota are, how are the similar and different from 'True Fungi' - correct answer Not true fungi
Belong to the kingdom Stramenopila (offshoot of Protista)
More closely related to algae than fungi
DIFFERENCES:
Cell walls contain ...
BESC 204 exam 2 Question and answers
100% correct
what are the Oomycota are, how are the similar and different from 'True Fungi'
- correct answer ✔Not true fungi
Belong to the kingdom Stramenopila (offshoot of Protista)
More closely related to algae than fungi
DIFFERENCES:
Cell walls contain cellulose rather than chitin
Diploid nuclei
Aseptate
Zoospores form 2 flagella
Biochemical pathway for lysine synthesis
Mitochondria structure = plants not like fungi
What was impact of the Potato Famine on World events - correct answer ✔1
million lives lost d/t starvation/disease
1.5 million emigrated
= severe population decline
Today ~32 million Americans claim Irish decent. (~10% of population)
This high population is due in large part to the Famine and the immigration
that it brought about.
Evidence of large impact on US society
St. Patrick's Day
Notre Dame Fighting Irish
The movie 'Gangs of New York' details this time period
, What was the role the potato famine had on the development of our
understanding of microorganisms (especially "fungi") causing disease -
correct answer ✔The research done at the time was largely ignored due to
there being no "germ theory" yet. But it later supported germ theory.
Be able to apply Koch's postulate to understand a disease - correct answer
✔1. Observe organism suspected to be infected
2. Culture suspected pathogen
3. Innoculate healthy host and observe differences between step 1
4. culture again and observe differences between step 2
Why did he put "fungi" in quotes above - correct answer ✔the disease that
caused the potato famine was caused by phytophthora infestans, an
oomycete that is not a true fungi
what invention came about as a result of downy mildew of grape. - correct
answer ✔Bordeaux Mixture
Be familiar with the organisms that cause the late blight of potato and downy
mildew of grape, name, structures formed, how reproduce etc.. - correct
answer ✔phytophthora infestans- oomycete that reproduces in cool wet
climates sexually via oospores made in the oogonium, and asexually via
zoospores and direct germination
Plasmopora viticola- oomycete same as above
What is the life cycle of the wheat rust fungus - correct answer ✔-Sexual
spores infect a barberry bush, Basidiospores are transfer spores, can only
infect Barberry.
-In the barberry Aeciospores are made, and Aeciospores are transfer spores,
which can only infect wheat
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