BESC 204 Final Exam Questions with Correct Answers
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Course
BESC
Institution
BESC
Fungi - Answer-Kingdom composed of heterotrophs
-Eukaryotic
- devoid of chlorophyll
- obtains nutrition through absorption
-typically reproduces through spores
Number of fungal species estimation - Answer-approx 1.5 million
Septum - Answer-cross wall cytoplasm organelles cross through
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BESC 204 Final Exam Questions with
Correct Answers
Fungi - Answer-Kingdom composed of heterotrophs
-Eukaryotic
- devoid of chlorophyll
- obtains nutrition through absorption
-typically reproduces through spores
Number of fungal species estimation - Answer-approx 1.5 million
Septum - Answer-cross wall cytoplasm organelles cross through
Hyphae - Answer-The branching, threadlike tubes that make up the bodies of
multicellular fungi
- Blastocladiomycota
-zygomycota
-zoopagomycota
-ascomycota
-basidiomycota
Mycellium - Answer-mass of hyphae
Largest Oldest organism in the world - Answer-Amillaria Ostoyae (approx 2400 years
old)
Cell Compartment - Answer-Not individual cells like in animals where cytoplasm doesn't
mix. Cytoplasm mixes from one cell to another.
Woronin body - Answer-mass of protein unique to fungi that plugs the pore in case of
cytoplasm bleeding out. Found ONLY in ascomycetes.
Chitin - Answer-structural polymer of glucose found in many fungal cell walls.
Why is latin used for names and descriptions? - Answer-Because latin is a dead
language that is never changing so the names will always be the same.
Zoospores - Answer-flagellated asexual spore only in chitrids
-finds root through chemotaxis; penetrates root; reproduces asexually.
Morphological species concept - Answer-characterizes a species by body shape and
other structural features
Biological species concept - Answer-Species is a group of populations whose members
have the potential to produce fertile offspring.
phylogenetic species concept - Answer-defines a species as the smallest group of
individuals that share a common ancestor
Batrachochytrium dendrobatidis - Answer-chytrid been associated with declining
harlequin frog populations
Thallus - Answer-body of the fungus. rhizoids anchor this to a substrate
Allomyces macrogynus - Answer-zoosporic aquatic fungus that makes hyphae that lack
septa.
-blastocladiomycota
Rhizoids - Answer-A thin, rootlike structure that anchors and absorbs water and
nutrients.
Sporangiospores - Answer-Asexual spores of zygomycetes made in a sporangium.
Sporangium - Answer-specialized cell where spores are produced.
-chytridiomycota/ blastocladiomycota and zyogmycota/ zoopagomycota
-many cells formed at once
-discontinuous cell wall.
Zoopagomycota - Answer-similar to zygomycota but often germinate directly
-lower fungi
Rhizopus stolonifer - Answer-black bread mold
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