When elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become rounded. the internal structures disrupted by this chemical are probably available hint(s)when elongated, tube-shaped cells from the lining of the intestine are treated with a certain chemical, the cells sag and become rounded. the internal structures disrupted by this chemical are probably endoplasmic junctionsmicrotubules

Microtubules

Explanation:

These filament-like structures are a major component of the cytoskeleton of the cell and help is maintain asymmetrical cell shape. They are composed of tubulin molecules arranged to form a 'hollow straw' attached to the cell membrane end to end . The contraction and lengthening of these microtubules are controlled by the addition of removal these of tubulin molecules to vary its length.

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///

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