Lecture 1 Plant Cells, tissues and stems

Lecture 1 Plant Cells, tissues and stems - Bio20B (Plants),...

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Bio20B (Plants), Lecture 1 outline Tues, 3/29/2011 Aline Tran 1.Importance of plants a. What plants provide i. Oxygen, medicine, food, habitats, products and environment. Plant of the day Common name: Coastal Redwood Latin name: Sequoia Sempervirens Notes: Tallest organism on Earth 2, 000 years old Sprouting--Has fairy rings Thick bark Alternate phyllotaxy Simple needle like leaves Taxonomy: The science classification dealing with description, identification, naming of the organisms. Phyllotaxy: The arrangement of the leaves on the stem of a plant; the pattern in which leaves is arranged around a stem. Leaf form: Any of the various shapes that leaves of plants can form. Required Plants of the day: 1. Sequoia sempervirens – coast redwood 2. Toxicodendron diversilobum – poison oak 3. Pseudotsuga menziesii – Douglas fir 4. Umbellularia californica – California bay laurel 5. Arbutus menziesii – Pacific madrone 6. Stachys bullata – California hedge nettle 7. Quercus agrifolia – coast live oak 8. Pteridium aquilinum – bracken fern 9. Baccarats pillarist – coyote brush 2. Plant cells- Eukaryotic cells.
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Bio20B (Plants), Lecture 1 outline Tues, 3/29/2011 a. Cell wall : Strength in plant cell and eukaryotic cells. i. On the outside of the cell membrane and provides the cell with structural support and protection. ii. Job: The cell wall prevents over expansion of the plant cell and to absorb, transport, cell shape, control rate, direction of growth, regulate diffusion, protect environment, and interactions. iii.
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Lecture 1 Plant Cells, tissues and stems - Bio20B (Plants),...

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