Please enable JavaScript.

Coggle requires JavaScript to display documents.

Exam III - Coggle Diagram

- - - - Anchors body to substrate
      - Absorbs water
      - Absorbs dissolved minerals
    - - Apical meristem and root cap
      - Pericycle
      - Endodermis
      - Root hairs
      - Cortex
- - - - Die at maturity
      - Thickened lignin walls for waterproofing and support
      - Tapered at ends; more narrow
    - - water transport only; no support
      - lignified, relatively long and wide
    - - Angiosperms: homogenous pit membrane
      - Large diameter
      - Dead at maturity
      - Larger diameter than tracheids
      - Shorter than tracheids
  - - - Transport of: photosynthate, hormones, electric signals
      - Sieve plate; sieve pore
      - Lateral sieve area
      - Mitochondria
      - Smooth ER
      - Companion Cells
        
        vacuole
        
        nucleus
        
        mitochondria
      - P Proteins: may help plug sieve pores in case of leakage
  - - - root: pith
      - Stem: no pith
    - - Root: no pith
      - Stem: pith
    - - Protostele: 420ma
      - Siphonostele: 407ma
      - Eustele: 390ma
  - - - Phellum: cork
      - Phellogen: cork cambium
      - Phelloderm
      - Outer and inner bark