roots

funtion

acquires nutrients and water from mud

holds plant in ground

protects from strong wind

adventitious roots

germinated from the organ instead of roots

in both monocot and eudicot

horizontal

transport and absorb capacities of root system

root cap

on tip of root

protection for growth

help penetrate soil

root hairs

hair like that increase absorption area

absorb minerals and water easily

no elongation

root cap base

detects gravity

cells are meristematic and tiny

develop dense starch grains

the quiescent center

central region that is mitotically inactive

protoderm

outermost cells available in zone of elongation

four diffusion paths a molecule follows through root epidermis

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