plant biotech 3
About this set
Created by:
rlmann Plus on May 3, 2011
Classes:
Botany, clinton high school agriculture, clinton, tn
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21 terms
Terms | Definitions |
|---|---|
 S Phase | Sub-phase of interphase that involves duplication of chromatin: |
| Phloem | vascular tissue that includes sieve tube elements, companion cells, parenchyma and fibers. |
| intercalary | meristems are present in grasses and occur at the base of leaf blades and leaf sheaths |
| Guard cells | specialized epidermal cells that regulate the opening and closing of stomates. |
| veins | Vascular tissue can be readily seen throughout the leaf, by the human eye, in the form of |
| periderm | surface layer of woody plants consisting of cork cells and continually being produced from the cork cambium |
| Apical meristem | Meristematic tissue in roots and shoots responsible for the production of dermal and ground tissues |
| cuticle | waterproof barrier preventing evaporative water loss from the plant. |
| G1 phase | Sub-phase of interphase that involves increased metabolic activity and a doubling in the number of organelles |
| G2 phase | Sub-phase of interphase that involves spindle fiber formation |
| cytokinesis | process, initiated during latter stages of telophase, that involves the dividing of cytoplasm into two identical cells. |
| collenchyma | composed of elongated cells with unevenly thickened walls |
| sclerenchyma | Composed of fibers and sclereids |
| Vascular cambium | Lateral meristem capable of producing new xylem and phloem |
| anaphase | stage of mitosis where chromosomes are pulled apart by spindle fibers and moved to opposites poles of the cell |
| tissues | Groups of specialized cells performing specific functions |
| Mitosis | the production of genetically identical cells |
| epidermis | thin, single layer of cells making up the exterior of roots, stems, leaves, flowers, and fruits. |
| telophase | stage of mitosis where chromatin uncoils, lengthens, and the nuclear membrane and nucleolus re-appear |
| Vessel elements | wide, pipe-like vessels with numerous pits in their side walls and have end walls with large openings |
| Sieve plate | The porous end walls of sieve tube elements |
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