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Cytoplasm Questions

Question 1

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Answer 1

Perhaps the most obvious difference is the presence of tubules which transport cytoplasm along the hyphae. Otherwise, the cytoplasm is similar to other eukaryotes.


Question 2

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Answer 2

Lomosomes appear to be the only organelles specific to fungi. Woronin bodies appear adjacent to the pores in the filamentous Ascomycota.


Question 3

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Answer 3

The communication within cells involves molecules diffusing directly through the cytoplasm, and packaged enzymes which are delivered probably through the tubular system.


Question 4

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Answer 4

Tubules and cytoplasm pass through pores in septa. Thus it can be assumed that the pore is somewhat flexible. Nuclei have been observed moving through pores, and it is assumed that all organelles can move from cell to cell, thus through the thallus.


Question 5

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Answer 5

Hydrostatic pressure or turgidity within the hypha causes expansion of the cell at any point of weakness in the wall. Enzymic action on fibrils at the hyphal tip weakens the wall, and the tip expands. The cell controls wall weakness, as we rarely see irregular expansion in hyphae.


Question 6

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Answer 6

Polarity is the morphological or physiological difference between ends of a body. Polarity is observed in most cells and organisms. The regulation of polarity is unclear.


Question 7

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Answer 7