Root Structure
How many regions/zones are there?
3
Where is the root cap located?
Tip of a plant's root
Water enters root hair cells by...
Osmosis
The vascular cylinder contains the tissues responsible for transporting ____, ____, and ____ throughout the plant.
Water, mineral, foods
What are the 2 main root systems?
Taproots & Fibrous roots
Root Apical Meristem is responsible for...
Primary growth of a plant
Fill in the blanks! The root tip contains ____ ____ cells that help the root grow longer.
What zone are root hairs found in?
Zone of maturation
What are the 4 main parts of the vascular cylinder?
Xylem, Phloem, Pericycle, Endodermis
Name 2 functions of the fibrous root system in a shallot
What is the function of the cortex?
Storage and transport
What are the 3 functions of a root cap?
What does the root hair do?
Supplies water and minerals needed for growth
Pericycle is the layer that can produce...
Lateral cells
Fibrous roots lack...
A single dominant central taproot
What is the function of the endodermis?
Acts as a selective barrier and water transport
Root caps release a slippery substance called...
Mucilage
Mineral ions are absorbed often through...
Active transport
What is the function of the endodermis?
Controls the movement of water and minerals into the vascular cylinder
What is called the plant growth regulator?
Endogenous Auxin
What do cells develop to maximize absoprtion in the zone of maturation?
Root hair
Root caps are also known as...
Calyptra
Root hairs are tiny, hair-like extensions of...
Root epidermal cells
Endodermis stems contains...
vascular tissues arranged in vascular bundles or a central vascular region.
What are 3 reasons for the shallot's root adaptation?
Root elongation under stress
Production of Endogenous Auxin (plant growth regulator)
Developing an adventitious root system from their monocot anatomy