Term
Root and shoot apical meristems
1-2 cotyledons
Embryo |
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Definition
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Definition
| "Seedlings;" upon germination becomes first embryonic leaves |
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Water
Light
Fire
Scarification
Stratification |
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Definition
| External cues for germination |
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Definition
| Mechanical breakdown of seed coat |
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Definition
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Definition
| Hormone that embryo produces to induce germination |
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Definition
| Outer layer of the endosperm |
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Definition
| Target tissue of GA in embryo |
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Definition
| Aleurone cells with GA produce _____ |
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Definition
| Enzyme that digests starch to sugar |
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Term
Stem elongation
Stimulate fruit enlargement
Germination- Counteracts effects of abscisic acid |
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Definition
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Definition
Maintains seed dormancy
Closes stomata
Water stress response |
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Term
Maintains seed dormancy
Closes stomata
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Definition
| Functions of abscisic acid |
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Definition
Promotes stem elongation, adventitious root initiation, and fruit growth
Inhibits axillary bud outgrowth, leaf abscission, and root elongation |
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Term
Promotes stem elongation, adventitious root initiation, and fruit growth
Inhibits axillary bud outgrowth, leaf abscission, and root elongation |
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Definition
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Definition
Inhibit leaf senescence
Promote cell division and axillary bud outgrowth
Affect root growth |
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Term
Inhibit leaf senescence
Promote cell division and axillary bud outgrowth
Affect root growth |
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Definition
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Definition
Promotes fruit ripening and leaf abscission
Inhibits stem elongation and gravitropism |
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Term
Promotes fruit ripening and leaf abscission
Inhibits stem elongation and gravitropism |
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Definition
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Definition
Promote seed germination, stem growth, and fruit development
Break winter dormancy
Mobilize nutrient reserves in grass seeds |
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Term
Promote seed germination, stem growth, and fruit development
Break winter dormancy
Mobilize nutrient reserves in grass seeds |
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Definition
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Definition
Molecule made in tip of plant--> moves toward root
Phototropism |
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Term
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Definition
| _____ light triggers phototropism |
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Definition
Pigment in plasma membrane
Absorbs blue light
Undergoes conformational change to expose active site for kinase
Signal transduction cascade leads to auxin-induced stem elongation |
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Definition
Seed germination and control of flowering
Two interconvertible states
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Term
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Definition
| ______ makes phytochrome inactive |
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Definition
| _____ makes phytochrome active |
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