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Chapter 5 (regions of root structure (region of cell division, region of…
Chapter 5
regions of root structure
region of cell division
region of cell elongation
root cap
region of maturation
Roots
absorption of water and minerals
store food or water
anchor plants in to soil
root cap
secretes mucilage
functions in gravitropism
protect tissues from damage
region of cell division
composed of apical meristem
center of root tip
region of elongation
cells multiply length
vacuoles merge
region of maturation
cells differentiate
root hairs
adheres to soil
increase absorptiveness of root
absorbs water and minerals
procambium
xylem
primary phloem
growth
determinate growth
stops after organ is fully expanded
indeterminate growth
trees and perennials
new tissues are added
radicle
develops in to first root
ground meristem
gives rise to
pith
in dicot stems
most grasses and monocots
cortex
parenchyma cells
below epidermis
stores food
protoderm
gives ride to epidermis