Chapter 29

Chapter 29 - BIO 152 Notes Chapter 29: Plant Diversity I...

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BIO 152 Notes Chapter 29: Plant Diversity I *1.2 bya cyanobacteria coated land * 500 mya plants reached land Concept 29.1 charphyceans – type of green algae, closest relative of land plants cellulose (as a cell wall) – land plants, green algae, dinoflagellates, brown algae chlorophyll (alpha/beta) – land plants, green algae, euglenids, some dinoflagellates shared traits (charophyceans and land plants) – [1] rose shaped complexes for cellulose synthesis [2] peroxisome enzymes [3] structure of flagellated sperm [4] phragmoplast (cell plate synthesis) sporopollenin – prevents exposed zygotes from drying out Concept 29.2 embryophytes – according to text, defines the border between algae and land plants cuticle – for land plants, sheath of polyesters and waxes secondary compounds – alkaloids, terpenes, tannins [bitter taste/odor], flavanoids [UV protection], phenolics [pathogen protection] seed – embryo packaged with nutrients in a protective coat apical meristem – localized regions of cell division at the tips of shoots and roots
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This note was uploaded on 04/11/2008 for the course BIO 152 taught by Professor Mort during the Spring '08 term at Kansas.

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Chapter 29 - BIO 152 Notes Chapter 29: Plant Diversity I...

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