Root Functions - PowerPoint PPT Presentation

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Title:

Root Functions

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Adventitious. 1 main root. Many branch roots. Roots from stems. Tissue Functions. Protection ... Active transport into root hairs. Diffusion through cytoplasm ... – PowerPoint PPT presentation

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Title: Root Functions


1
Root Functions
  • Primary
  • Secondary
  • Anchor
  • Absorb
  • Storage of Food
  • Hormone Production
  • Support
  • Provide Oxygen
  • Transport

2
Region of Maturation/ Differentiation
Root hair
Region of Elongation
Meristematic Region
Root Cap
3
Root types
  • Tap
  • Fibrous
  • Adventitious
  • 1 main root
  • Many branch roots
  • Roots from stems

4
(No Transcript)
5
Tissue Functions
  • Epidermis
  • Root hairs
  • Cortex
  • Root cap
  • Root hairs
  • Pericycle
  • Vascular cylinder
  • Endodermis/Casparian strip
  • Protection
  • Absorption
  • Storage
  • Protection
  • Major absorption
  • Origin of lateral roots
  • Location of vascular tissues
  • Controls passage of minerals

6
Mineral Absorption in Roots
  • Active transport into root hairs
  • Diffusion through cytoplasm of cortex
  • Active transport into the vascular cylinder
  • Diffusion up the xylem
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