The Genesis of Germs Chapters 4-5 Flashcards
The protozoan Euglena ingests food through its:
gullet
Many protozoa have complex internal structures that function like the organs of what?
complex animals
Aspergillus can be used for what two things?
vinegar and an agent of bioterrorism
Which of these are not caused by a fungus:
mycosis, tuberculosis, pneumoctystic pneumonia, fungus disease
tuberculosis
The disease giardiasis can be avoided by:
no drinking from streams, using iodine tablets when camping, city planners ensuring the water supply is safe
Are most protozoa larger or smaller than bacteria?
larger
This strain was subjected to x-rays in order to produce more antibiotic
P. chrysogenum
Penicillin was first widely used in:
World War II
the part of the mycelium that gives molds their characteristic fuzz
aerial mycelium
An almost universal characteristic of protozoans is
locomotion
What is ascus?
“tiny” spore-containing sac
the long, slender filaments of a funi body
hyphae
These organisms are characterized by hundreds of short, hair-like processes on their body.
Ciliates
Malaria means:
“bad air”
Schizogony is reproduction by totally asexual means and produces new cells called ___.
merozoites
The scientist who first described fungi
Robert Hooke
Were bacteria and fungi created to live in harmony?
yes
Do bacteria multiply faster or slower than yeasts?
faster
Are the parasitic forms of protozoans naturally more common in distribution than the free-living organisms?
no
What are some things fungi do not do?
help prevent wheat rusts in crops; help with photosynthesis
Is Leeuwenhoek known as the “Father of Biology”?
no
Do true yeast have many cells?
no
The protozoan Giardia has been know to do:
infect man; infect wildlife; possibly have infected Leeuwenhock, and exists in clear, running springs
Free-living protozoa are found:
in fresh water, in salt water, in the soil, and in decaying organic matter everywhere
Did British scientists freely accept the findings of Leeuwenhoek?
no
“Amoeba” is derived from a Greek word meaning
change
Historically, fungi were first considered to be:
plants
What is the only visible internal structure of an amoeba?
nucleus
Is it true that Alexander Fleming had no idea that penicillin was important when it was discovered?
no
The cause of African trypanosomiasis is:
Trypanosoma brucei
Sir Alexander Fleming could not purify or produce large amounts of what?
P. Notatum