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Chapter 5- Tissues and Primary growth stems (Types of cells and tissues,…
Chapter 5- Tissues and Primary growth stems
Types of cells and tissues
Parenchyma
most common type of cell and tissue
fruits, veggies, most of the things we eat consist of these cells.
Collenchyma
are parenchyma cells involved in photosynthesis
celery
never occur in roots
Schlerenchyma
walls are elastic and lignified
used for strength
Parts of the flower
external org. of stems
internal organization of stems
epidermis-outermost surface
cortex-interior to epidermis
cutin-fatty impermeable walls
cuticle-built up cutin
stoma-permit co2 from entering
trichomes-hairs that make it difficult for animals to land on
vascular tissues
xylem-conducts water and minerals
phloem-distributes sugars and minerals
