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Embryogenesis in plants can commence from cells other than the fertilized egg cell. Embryogenesis initiated from somatic cells in vitro is an attractive system for studying early embryonic stages when they are accessible to experimental manipulation.
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Anthropology 299: Narrative in Ethnography. Ilana Meltzer (Doug Caulkins) 499: Narratives in Ethnography. Helen Carey (Doug Caulkins) 499: The End of Master Narratives in Ethnography? Christina Doxsie (Doug Caulkins) 499: Narrative in Ethnography.
Diss ETH Nr. 13117 , The importance of seed source in programmes to increase species diversity in arable systems A dissertation submitted to the SWISS FEDERAL INSTITUTE OF TECHNOLOGY ZURICH (ETHZ) for the degree of Doctor of Natural Sciences bY MICHAEL KELLER Dipl. Biol.
TECHNIQUES FOR ASSESSING SHINGLE COMMUNITIES Authors: K. R. Cole, A. I. Tait, B. J. Yates and T. J. Younghusband Techniques for assessing shingle communities ii Contents Summary...........................................................................................................................
The conversion of provitamin D to previtamin D is a photochemical reaction requiring ultraviolet-B photons. ` Not only vitamin D2 but also vitamin D3 have been found in a variety of plants.
Waterlogged seeds from late Roman Silchester, Insula IX Sample 92 90 Context 1621 1619 Ranunculus cf. acris L. meadow buttercup - 5 R. cf. repens L. creeping buttercup 3 10 R. sardous Crantz hairy buttercup 3 2 R. flammula L. lesser spearwort 7 14 Thalictrum flavum L. meadow rue - 1 Ficus carica L.
Topic 5 Molecular mechanisms of regulation Content P5-4: Ion channels in the protoplasts of the mediterranean seagrass Posidonia oceanica. P5-5: Assembly of plant Shaker-like Kout channels requires two distinct sites of the channel ±-subunit. P5-6: How do plant K+ channels sense K+ ?