Bacteria
How many cells does one bacteria have?
One
Rickettsia reproduce by __
binary fission
A virus consists of
RNA or DNA protein coat structure
Are fungi Eukaryotes or Prokaryotes?
Eukaryotes
How do protoza reproduce?
Binary fission or multiple fission
Bacteria share similar structures that plants have. What are two of these structures?
Cell Wall & Cell Membrane
Rickettsia is stained with the __ stain
Geimsa stain
How do viruses reproduce?
Inserting DNA into the host cell.
Molds are fungi with long threadlike filaments called
Hyphae
In what type of water do protozoa abound?
Fresh and Brackish water
Bacteria are the only living things that are prokaryotes. What does this mean?
Don't have a nucleus
Rickettsia: infection of endothelial cells is __ induced
phagocytosis induced
Why do some viruses seem to go away and then return?
The virus had entered the lysogenic cycle
The cell walls of most fungi contain the polysaccharide
Chitin
Which diseases can parasitic and symbiotic protozoa cause?
Babesia and Malaria
The bacteria we collected here at OGMS belong to which Kingdom?
Eubacteria
All rickettsia are __ parasites
obligate intracellular
Viruses are often named by
Where they were first discovered, the scientist who discovered it, and the animal that carries it.
What do fungi use to reproduce?
Spores
How are protozoans classified?
By their means of locomotion
Bacteria can move. What is the name of the structure that moves them?
Flagellum
What is the vector Rickettsia prowazikii?
human lice or squirrel flea
Why is it difficult to develop vaccines for retroviruses, like a cold sore?
RNA mutates more frequently than DNA
The best environment for fungi is...
Warm and moist
How many species of protozoa are there? How many of these are pathogenic?
10s of 1000s; only a few are pathogenic