Structures
What are the 4 different types of feeding structures?
cytostome
Holozoic
Saprozoic
Cytoproct
How do ciliates reproduce?
What do most excavata have on the surface of the cell?
a depression
Causative agent for keratitis associated with contact lenses?
acanthameoba spp.
DEFINE trophozoites.
What also helps in creating the cell shape?
endoplasm - inside fluid in cytoplasm
What are oomycete cell wall composed of?
cellulose and are generally diploid
What is parabasalia in symbiosis with?
termites and cockroaches
causative agent for amoebic meningoencephalitis
spread through contaminated water
"brain-eating amoeba"
Naegleria fowleri
What are the 3 types of asexual reproduction?
binary fusion
budding
Schizogony
What do contractile vacuoles do?
help regulate osmotic pressue
(salt and water balance)
concentration of organelles, vacuoles, and microtubules that enable them to establish infection.
At one end of the protozoa so they can infect or get nutrients from the host cell.
What is the cause of Hiker's disease?
PLUS how is it contracted?
Giardia lamblia
contaminated water (cysts that are spread through species)
INDIVIDUALS that can AGGREGATE into a mobile slug.
They are still separate.
DEFINE CYSTS
encapsulated stage to protect against harsh environments. The 2 substages are encystment and excystment.
Explain the 3 different types of locomotion structures and what they are made of?
Flagella - made of microtubules
Cilia - made of microtubules
Pseudopodia - cytoplasmic extensions to attach a cell to surface (KNOWN AS FALSE FEET)
What microbe/group caused the irish potato feminine?
Phytophthora infestans
What are considered photo and nonphotosynthetic?
euglenozoa
What does Entamoeba histolytica cause?
amoebic dysentery
*like the organ trail
What are considered animal-like, unicellular, and heterotrophic?
protozoa
What are the two different types of absent or modified mitochondria in protist?
Kinetoplastid
Hydrogenosomes
What are the 4 different microbes in the apicomplexans group?
Plasmodium spp.
Cryptosporidium parvum
Babesia microti
Toxoplasma gondii
What is the agent of African Sleeping Sickness and Chaga's disease?
PLUS how does it spread?
Genus Trypanosoma
Can spread through feces
LARGE AMOEBOID CELLS with multiple nuclei
(ONE BIG BLOB)
Plasmodial Slime Molds
Zooplankton: motile and NON photosynthetic (more animal-like)
Phytoplankton: photosynthetic (produces most of the world's oxygen)