BIOL132 Fungi

Quiz by DaisyStradling
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Last updated: January 25, 2023
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First submittedJanuary 20, 2023
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Average score76.0%
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questions
Answer
what organisms live a fungal like lifestyle but ARE NOT fungi ?
Oomycetes
true or false, most fungi can reproduce sexually and asexually
true
asexual spores are ....... (half the number of chromosomes)
haploid
asexual reproduction in fungi occurs when the conditions are ........
favourable
sexual reproduction occurs when conditions are ...........
unfavourable
spores of .............( mushrooms and toadstools) are produced externally on the end of specialised cells called basidia
basidiomycetes
spores of ........... are produced internally inside a sack called the ascus
ascomycetes
The fungus Puccinia graminis causes .... .... which infects wheat
stem rust
stem rust can overwinter on a plant called ........ this is an example of a survival technique
barberry
fungi explore the environment using ...... creating a ........
hyphae, mycelium
septate mycelium is where lots of separate cells make up the mycelium whereas ......... mycelium has lots of free nuclei (a.k.a coenocytic)
syncytial
slime moulds are not classed as fungi anymore as they do not have mycelium networks made up of hyphae, they are however similar to syncytial mycelium in the sense that they are a ....... cell with .... nuclei
singular, many
the ... of the hyphae is where there is most activity
tip
questions
Answer
the tip of the hyphae excretes the enzyme ......... which breaks the bonds between ..... monomers allowing for the cell to take up the nutrients.
invertase, sugar
fungi are ............ just like humans, we cannot make our own food
heterotrophs
fungi which decompose dead material are known as .......... fungi
saprotrophic
........... fungi are aggressive pathogens which kill the host plant cells and use the nutrients to support their own growth
necrotrophic
............. fungi are pathogens that have a phase of symbiosis with the host before necrotrophy
hemibiotrophic
......... pathogens live their whole life cycle inside a live host
biotrophic
some fungi such as lichens exemplify .......... relationships whereby both individuals benefit
mutualistic
.......... are fungal toxins which harm humans and animals
mycotoxins
fungal secretion occurs mainly from hyphal tip, this includes enzymes, proteins, effectors, metabolites, etc which may be to ... or to manipulate or .... from the host
eat, hide
........ is a form of poisoning from ingesting grains, typically rye, that have been infected by the ascomycete fungus Claviceps purpurea
ergotism
there are many medical fungal products which we rely on today, these include antibiotics such as ......... and immunosuppressants such as ...........
penecillin, cyclosporin
.... ..... ..... (Magnaporthe oryzae) is the major pathogen of cultivated rice globally
and kills enough rice each year to feed 60M people
rice blast fungus
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