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what is the purpose of the long hair-like shape of root hair cells?
to increase surface area for water and mineral absorption
how does the thin cell wall of root hair cells aid in their function?
it shortens the distance for diffusion
what role does the large vacuole play in root hair cells?
it stores water to maintain the cell’s turgidity
why do root hair cells not have chloroplasts?
they are underground and do not need photosynthesis
what is a key feature of xylem cells that facilitates water transport?
they have hollow tubes that allow water and minerals to flow through easily
how does lignin benefit xylem cells?
it strengthens the cell wall, preventing collapse and supporting the plant
why do xylem cells have no end walls?
to form a continuous column for water transport
why are xylem cells considered to be made of dead cells?
they lack organelles to allow for unobstructed flow of water
what function do sieve plates serve in phloem cells?
they allow the flow of sugars and other nutrients between cells
what is the role of companion cells in phloem cells?
they provide energy for the active transport of sugars
why do phloem cells contain few organelles?
to maximize space for transporting sugars
why are phloem cells described as living cells?
they maintain metabolic functions necessary for sugar transport