Term
|
Definition
| include multicellular and unicellular forms found in terrestrial, marine and freshwater habitats |
|
|
Term
|
Definition
|
|
Term
|
Definition
absoprtive nutrition
hyphae
chitin |
|
|
Term
|
Definition
| secrete enzymes and absorb broken down nutrients |
|
|
Term
|
Definition
| multinucleate cell filaments extending and forming branches to make mycelium |
|
|
Term
|
Definition
| makes cell walls hard and tough. |
|
|
Term
|
Definition
| cell membrane on tip of hypha expands by incorporating ER-generated vesicles, regulated by exchange of H+ and K+ |
|
|
Term
|
Definition
unicellular fungi; reproduce by budding
Some are asexual, some undergo sexual alternation of generations |
|
|
Term
|
Definition
| "chytrids" produce flagellated, motile zoospores |
|
|
Term
|
Definition
generate nonmotile spores with organs called sporangium
example: rhizopus (bread mold) |
|
|
Term
|
Definition
form large intricate fruiting bodies (true mushrooms)
Example: Amanita phalloides
makes very poisonous toxin (alpha amanitin inhibits RNA polymerase II) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| include protozoa, alveolates and algae |
|
|
Term
|
Definition
|
|
Term
|
Definition
| dinoflagellates are a mix of protozoa and algae |
|
|
Term
|
Definition
| diatoms, and kelps (brown algae) |
|
|
Term
|
Definition
Volvox (colonies of cells -multicellular)
Ulv (large sheets of cells in two layers) |
|
|
Term
|
Definition
Rhodophytes
colored red by photopigment phycoerythrin
contain valuable polymers of sulfated polygalactans
Human food sources: Porphyra (used in sushi) |
|
|
Term
| Secondary Endosymbiont Algae |
|
Definition
have chloroplasts surrounded by 2+ membranes
mixotrophic metabolism includes heterotrophy |
|
|
Term
| Diatoms (Bacillariophyceae) |
|
Definition
unicellular algae with frustule (shell of silica)
replicate by division cycle generating successively smaller frustules
photosynthetic heterotrophs |
|
|
Term
|
Definition
|
|
Term
|
Definition
| possess leucocin vacuoles (oily lipids) and live in kelp forests |
|
|
Term
|
Definition
|
|
Term
|
Definition
large number of cilia in microtubule network
cell propulsion occurs and food acquisition is done by cilia
ex: paramecium with oral groove for food ingestion, digestive and contractile vacuoles |
|
|
Term
|
Definition
|
|
Term
|
Definition
phytoplankton
have two long flagella (one wraps along crevice encircling cell)
predatory anmal cells with ability to fix CO2
chloroplast surrounded by 3 membranes
have carotenoid pigments that confer a red color
blooms cause red tide
release toxin that causes shellfish poisoning
|
|
|
Term
|
Definition
obligate parasites
ex: Leishmania major and Trypanosoma brucei |
|
|
Term
|
Definition
parasites and endosymbionts that lack mitochondria
ex: Giardia lamblia (intestinal parasite) |
|
|
