Root Flashcards
(22 cards)
forms the subterranean system of the plant
Root
absorbs water and minerals from the substrate
Root
roots produce ____ to regulate overall plant growth
hormones
Two types of root system:
taproot & fibrous root
has one large main root from where the secondary root growth originates
Taproot System
secondary root growths or?
lateral roots
provide additional anchorage and extends further to search for water and minerals needed by the plant
secondary root growths/lateral roots
extensive network of roots are also called?
root hairs
increases surface area of the roots for better conduction
Root hairs
has no main root but develops an extensive root system from the embryonic root or the radicle
Fibrous root system
important center for cell division
Root tip
Cell division is found in the?
Apical meristem of the root
developing root system are found in?
Cell division
The cells in the are called ___, are few of the first to undergo mitosis
initials
covers and protects initials
root cap
Young root cap cells are called?
columella cells
QC stands for?
quiescent center
is also important in the patterns of primary growth in the root
Quiescent center (QC)
3 regions of QC:
Zone of Cell Division
Zone of Cellular Elongation
Zone of Cellular Maturation
Add to the primary growth of the root
Zone of Cell Division
Increase the length and shoves the root deeper into the soil
Zone of cellular elongation
where cells begin differentiation
Zone of cellular maturation
