plant tissues Flashcards

1
Q

xylem

A

(dead) made of lignified cells, found in vascular bundle and transports water and nutrients around the plant

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2
Q

phloem

A

(living) made of cells , found in vascular bundle and transports food away from the leaves

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3
Q

epidermis

A

upper - 1 cell thick, found under cuticle and provides protection and transparent allowing for sunlight to enter chloroplasts
lower - 1 cell thick, found at the bottom of the plant, and contains guard cells (and stomata) for controlled transpiration

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4
Q

mesophyll

A

palisade - found under epidermis, packed vertically to fit more space and contains chloroplasts for photosynthesis
spongy - very loosely packed, allowing for gaseous exchanges and transpiration to occur (does contain very few chloroplasts)

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5
Q

cuticle

A

waxy, transparent layer found at the top of the leave. it is meant for retaining water, and protecting the leaf as well as allowing for photosynthesis to occur

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6
Q

stoma

A

gaps in the underside of the leaf allowing for transpiration surrounded by guard cells

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7
Q

guard cells

A

large vacuole containing cells that allow for the stoma to open and close at day and night

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8
Q

root hair

A

allows for osmosis to transport nutrients in water into the root, to travel up the xylem with adhesion and cohesion

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9
Q

epidermis

A

trichomes - adapted epidermal cells on the leaf

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