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Chapter 5 (Internal Organization of Stems (epidermis: outermost surface of…
Chapter 5
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Types of Cells/Tissues
Parenchyma Cells
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Subtypes:
Chlorenchyma Cells
involved in photosynthesis, contain numerous chloroplasts
Glandular Cells
secrete nectars, oils, fragrances, mucilage & resin
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transport sugar & minerals into the cell, changes them metabolically, then sends back out
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Sclerenchyma Cells
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Two Cell Subtypes:
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Mechanical
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Sclereids
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form hard, impenetrable surface (nut shells/peach pits)
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Collenchyma Cells
has primary cell wall, thin in someplace thick in others (usually corners)
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