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Formation of Complex Structures Questions

Question 1

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Answer 1

Plant tissues can divide in three dimensions. Even the tip of a root is the result of a three dimensional mitotic process. Fungal structures are constructed from linear hyphae, though some hyphae are highly branched and have cells which are shortened.


Question 2

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Answer 2

Sclerotia can function as survival structures. Thus you would expect to be able to regenerate the fungus. However, the sclerotia may be dormant, and regenerate by first forming a fruiting body. Formation of fruiting bodies may require specific triggers. As well, a sclerotia is a highly nutritious structure, and as such is subject to attack by saprotrophs in the soil. The biocontrol of the pathogen Sclerotinia sclerotiorum utilises a fungus which colonises the sclerotia, rendering them inviable.


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Question 7

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Answer 7