EEB340 - Lecture 3

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Department
Ecology & Evolutionary Biology
Course
EEB340H1
Professor
Rowan Sage
Semester
Winter

Description
Lecture 3 Origin of Land Plants Evolution of Meristems and Parenchymatous GrowthEvolution of Parenchymatous Growth Land Plant Cell DivisionMicrotubule ArraysPlasmodesmata Land Plant MeristemsAnthocerophytatoseed Plants third important trait essential to survival on landParenchymatous growthparenchymatous tissue produces volume in 3Dmultiple cells not one big cell anymoremeristems area of plants with fastdividing cells stem cells o perpetually dividing o area from which all other cells derivedsurface area to volume ratio o large organisms have low ratio lots of volume to small surface areaminimizes water lossessential to terrestrial environmentphragmoplast array of microtubules involved in cell plate formationo telophase and cytokinesis o guide Golgiderived vesicles to where new cell platewall being formed o guide smooth ER to those regions pectinrich
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