Eukaryotes Flashcards
What are the 3 types of eukaryotic microbes?
Protozoa (microscopic)
Fungi (microscopic)
Parasitic Helminths
Is eukaryote reproduction more complicated than prokaryotes?
YES..variety of asexual methods
What are the 5 eukaryote reproduction methods?
binary fission budding fragmentation spore formation (fungus) schizogony (male to female alteration)
Many eukaryotes also reproduce sexually by forming what?
gametes and zygotes
Which eukaryotes reproduce both sexually and asexually?
algae, fungi, protozoa
What are 4 main characteristics of protozoa?
- typically lack cell wall (ameba shaped)
- require moist environment
- very few are pathogens
- MOST reproduce asexually ONLY
ALL protozoa produce ________ (motile feeding stage)
trophozoites
SOME protozoa produce _____ (hardy resting state, dormant similar to endospores)
cysts
Some protozoa have _____ ______ protecting them from osmotic lysis (acting as a sub pump)
contractile vacuoles
What are 2 signification functions of fungi?
- produce antibiotics
- 30% cause disease in plants, animals (humans included)
What is mycoses?
fungal disease
What is the non-reproductive body of fungi?
thallus
The thalli of molds are composed of long, branched, tubular filaments called what?
hyphae
Fungi that produce 2 types of thalli are called what?
Dimorphic
What dimorphic form of fungi generally cause disease?
yeast form
A tangled mass of hyphae that is typically subterranean is called what?
mycelium
All fungi have some means of what type of reproduction?
asexual (most also reproduce sexually)
Series of buds that remain attached to one another and to parent cell are called what?
Pseudohypha
Ex: candida albicans
