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Fungi
Lab 2: Fungi
46
Biology
Undergraduate 1
02/18/2011

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Term
Spore
Definition
Reproductive cell, asexual or sexual, capable of development without fusion with another cell
Term
heterotrophic
Definition
absorb their food rather than make it
Term
yeast
Definition
single celled fungus
Term
mycelium
Definition
masses of hyphae
Term
glycogen
Definition
what fungus store their food as
Term
chitin
Definition
what fungus contain in their cell walls
Term
asexual reproduction in fungi
Definition
fragmentation of mycelium or production of spores
Term
sporangia
Definition
tips of sporophyte that contain spores
Term
imperfect stage
Definition
asexual reproduction in fungi
Term
perfect stage
Definition
sexual reproduction in fungi
Term
gametangia
Definition
the part of the fungus where the gametes are produced
Term
zygotic meiosis
Definition
the life cycle of all fungi, the zygote undergoes meiosis, the vegetative body is haploid
Term
syngamy
Definition
plasmogamy and karyogamy
Term
plasmogamy
Definition
fusion of cytoplasm
Term
karyogamy
Definition
fusion of nuclei
Term
reproduction of fungi
Definition
the hyphae of two different mating types come together and fuse. Plasmogamy occurs followed by karyogamy in the future
Term
dikaryotic
Definition
fungal cells containing two nuclei
Term
Phylum Zygomycota
Definition
Bread mold, fusion of hyphae leads directly to the formation of a zygote
Term
Ascomycota
Definition

Truffles, Sac Fungi, hyphal fusion leads to dikaryotic hyphae that form the sac like fruiting body

[image]

Term
Basidiomycota
Definition

mushrooms and toadstools, club fungi, dikaryotic hyphae form the club shaped fruiting bodies.

[image]

Term
Imperfect fungi
Definition
reproduce only by asexual means
Term
lichens
Definition
symbiotes consisting of a fungus and a photosynthetic partner
Term
ascus
Definition
the sac in ascomycota (sporangium)
Term
ascocarp
Definition
the whole fruiting structure in ascomycota
Term
hymenium
Definition
inner concave surface, fertile region of the ascocarp, consists of asci and sterile hyphae
Term
conidia
Definition
asexual spores
Term
conidiophores
Definition
what conidia grow on
Term
basidia
Definition
club shaped reproductive structures on which basidiospores resulting from meiosis are produced
Term
basidiocarps
Definition
comparable to the ascocarps, mushrooms, etc.
Term
septate
Definition
cross walls in mycelium
Term
cap
Definition
top of a fungus, protects gills and spores
Term
gills
Definition
holds the spores
Term
annulus
Definition
veil covering
Term
stipe
Definition
stalk of mushroom
Term
mycobiont
Definition
provides shelter and attachment
Term
photobiont
Definition
provides nutrients through photosynthesis
Term
lichenology
Definition
study of lichens (somehow i never would have guessed)
Term
mutualistic
Definition
both partners derive physiological benefits from the relationship
Term
obligate parasitic
Definition
when the fungus parasitizes an alga and is unable to grow without it
Term
crustose
Definition
crustlike lichens
Term
foliose
Definition
leaflike lichens
Term
fruiticose
Definition
shrublike lichens
Term
Asexual reproduction of lichens
Definition
fragmentation of the thallus, spore production by the fungal component and cell division of algal component
Term
sexual reproduction of lichens
Definition
when ascocarps, asci, and ascospores of the fungal portion grow.
Term
apothecia
Definition
sexually reproductive structures in lichens
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