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  2. Ground tissue - Wikipedia

    en.wikipedia.org/wiki/Ground_tissue

    Parenchyma is a versatile ground tissue that generally constitutes the "filler" tissue in soft parts of plants. It forms, among other things, the cortex (outer region) and pith (central region) of stems, the cortex of roots, the mesophyll of leaves, the pulp of fruits, and the endosperm of seeds.

  3. File:Form W-9, 2011.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Form_W-9,_2011.pdf

    PDF is used for representing two-dimensional documents in a manner independent of the application software, hardware, and operating system. Each PDF file encapsulates a complete description of a fixed-layout 2D document that includes the text, fonts, images, and 2D vector graphics which compose the documents.

  4. Template:Organelle diagram - Wikipedia

    en.wikipedia.org/wiki/Template:Organelle_diagram

    Download as PDF; Printable version; In other projects ... Cell biology; Animal cell diagram: Components of a typical animal cell: Nucleolus; Nucleus; Ribosome ...

  5. Cortex (botany) - Wikipedia

    en.wikipedia.org/wiki/Cortex_(botany)

    Some of the outer cortical cells may contain chloroplasts, giving them a green color. They can therefore produce simple carbohydrates through photosynthesis. [4] In woody plants, the cortex is located between the periderm (bark) and the vascular tissue (phloem, in particular). It is responsible for the transportation of materials into the ...

  6. Tissue (biology) - Wikipedia

    en.wikipedia.org/wiki/Tissue_(biology)

    Cross section of collenchyma cells. Collenchyma (Greek, 'Colla' means gum and 'enchyma' means infusion) is a living tissue of primary body like Parenchyma. Cells are thin-walled but possess thickening of cellulose, water and pectin substances (pectocellulose) at the corners where a number of cells join. This tissue gives tensile strength to the ...

  7. File:Simple diagram of plant cell (numbers).svg - Wikipedia

    en.wikipedia.org/wiki/File:Simple_diagram_of...

    English: A simple diagram of a plant leaf cell, labelled with numbers. It shows the cytoplasm, nucleus, cell membrane, cell wall, mitochondria, permanent vacuole, and chloroplasts. Note going down the left the numbers are not sequential, this is to match the numbering on others in the series.

  8. Secondary cell wall - Wikipedia

    en.wikipedia.org/wiki/Secondary_cell_wall

    The cell starts producing the secondary cell wall after the primary cell wall is complete and the cell has stopped expanding. [1] It is most prevalent in the Ground tissue found in vascular plants, with Collenchyma having little to no lignin, and Sclerenchyma having lignified secondary cells walls.

  9. Plant stem - Wikipedia

    en.wikipedia.org/wiki/Plant_stem

    The normal lifespan of plant cells is one to three years. Stems have cells called meristems that annually generate new living tissue. Photosynthesis. Stems have two pipe-like tissues called xylem and phloem. The xylem tissue arises from the cell facing inside and transports water by the action of transpiration pull, capillary action, and root ...

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