Complete the following paragraph to describe the cell to cell junctions in plant cells. All plant cells are surrounded by a ______ of varying thickness and composed of ______ Embedded within are proteins called ______ that allow for stretching during growth, and ______ that provide rigid support. Some plant cells, especially those in woody plants, contain a ______ comprised of a thick layer of ______ fibrils laid down at right angles in combination with ______ to add strength. Plant cells are connected through ______, or membrane lined channels that pass through the cell wall. These channels contain cytoplasmic strands to help transport water and ______ from cell to cell. Because of this, plant cells are capable of ______ as they are able to maintain their own concentrations of large substances.
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These junctions, known as plasmodesmata, are microscopic channels that traverse the cell walls, allowing for the exchange of nutrients, signaling molecules, and other essential substances. Plasmodesmata are lined with a specialized membrane, the desmotubule, which Show more…
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Classify the following characteristics based on whether they are describing plant cell junctions, animal cell junctions, or both: Plant Cells Animal Cells Both Plant and Animal Cells Allow cell-to-cell communication Allow passage of small molecules Membrane-lined channels through the cell walls of adjacent cells contain strands of cytoplasm Connections include tight junctions, adhesion junctions, and gap junctions Desmosomes and hemidesmosomes connect to intermediate filaments of the cytoskeleton Connections are called plasmodesmata
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Classify the following characteristics based on whether they are describing plant cell junctions, animal cell junctions, or both Plant Cells Connections are called plasmodesmata Desmosomes and hemidesmosomes connect to intermediate filaments of the cytoskeleton Membrane-lined channels through the cell walls of adjacent cells contain strands of cytoplasm Animal Cells Connections include tight junctions, adhesion junctions, and gap junctions Both Plant and Animal Cells Allow passage of small molecules Allow cell-to-cell communication
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Categorize the choices below based on whether they are characteristic of a plant cell or an animal cell by placing each choice in the appropriate box. Plant Cells Animal Cells Plasmodesmata connect these cells Do not have plastids Various junctions, like gap and tight junctions, connect these cells Contain large vacuoles Have plastids Cell wall Centrioles present during mitosis A cleavage furrow is involved in cell division A cell plate is involved in cell division No cell wall If vacuoles are present, they are small No centrioles during mitosis
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