Plant Midterm

Card Set Information

Author:
Anonymous
ID:
94628
Filename:
Plant Midterm
Updated:
2011-07-20 03:21:35
Tags:
biology plants
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Description:
Biology class
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  1. apoplast
    • (without cytoplasm)
    • space between cell walls of plant cells
  2. symplast
    • (cytoplasm)
    • continuous spaces inside cells (shared cytoplasm)
  3. plasmodesmata
    channels between cell walls that make cell cytoplasm continuous
  4. WUSCHEL (WUS)
    transcription factor that promotes stem cell proliferation in the SAM
  5. CLV3
    signaling molecule negatively regulates WUS
  6. Shared traits between green algae and
    land plants
    • Chloroplasts w/ chlorophyll a and b
    • Thylakoids
    • Cell wall, sperm, peroxisomes are similar in structure
    • Chloroplast make starch for storage
    • Suspected that land plants evolved from freshwater algae
  7. Seed
    • embryo, nutritive tissue, protective coat
    • must be fertilized!

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