14.3 Phytum Ascomycota: Sac Fungi Distinguish among an ascus, an ascospore, and
ID: 207370 • Letter: 1
Question
14.3 Phytum Ascomycota: Sac Fungi Distinguish among an ascus, an ascospore, and an s. Walking in the woods, you find a cup-shaped fungus. Back in the lab, you remove a small portion from what appears to be its fertile surface and crush it on a microscope slide, preparing the wet mount that appears at the right. Identify the fingerlike structures present on the slide. (287x). 14.4 Phylum Basidiomycota: Club Fungi 6. What type of spores are produced by the fungus pictured at the right? 7. The photo below shows a fungus growing on a dead hemlock tree. What is the common name of a fungus of this sort? Be specific 260 ExERCISE 14Explanation / Answer
Answer 4:
An ascus is the sexual spore containing cell in the fungal class ascomycetes. Within the ascus, there are ascospores. Ascus releases the spores through tip bursting called operculum. In some species, bursting of one ascus is followed by bursting of many asci and formation of a cloud of spores.
2. ASCOCARP
This is mainly the fruiting body, in the ascomycetes family, which contains several number os asci (ascus). The shape of ascocard may differ in different genera of this fungal class.
3. ASCOSPORE
Ascospore is a haploid spore, contained within an ascus. Generally one ascus has eight ascospores, which are formed by meiotic division in the sexual life cycle of fungus.
Answer 5: The shown fungal slide can be Neurospora species. This is a cup shaped fungus contains ascus containing ascospres.
Answer 6: The spores formed in the shown g=fungus are Basidiospores. They are formed in Basidiomycetes class. They germinate into hyphae.
Answer 7: The shown fungus on the dead hemlock tree has commen name: Bracket fungi and the scientific name is : Ganoderma tsugae. This is a funfi with medicinal importance.
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