通便
发表于 2025-3-23 13:01:14
,Webers Wissenschaftsverständnis,991). Gene expression is temporally and spatially regulated during anther development, producing highly differentiated cells and tissues responsible for non-reproductive and reproductive functions. Anther-specific mRNAs have been shown to encode a number of proteins (Goldberg et al. 1993; McCormick
赞成你
发表于 2025-3-23 14:25:21
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畏缩
发表于 2025-3-23 18:30:07
Einführung in das Wirtschaftsrecht is composed of three compartments: 1/ the sporophytic compartment including the connective tissue and the anther wall, 2/ the gametophytic compartment represented by the microspores/pollen grains, and 3/ the locular fluid representing the chemical link between the sporophytic and the gametophytic c
Indelible
发表于 2025-3-23 22:18:40
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MAUVE
发表于 2025-3-24 05:25:41
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HEW
发表于 2025-3-24 09:25:59
,Das System der doppelten Buchführung,lose begins to be synthesized during the first meiotic prophase, with initial deposits being visible at the corner of the cells, and then gradually spreading over the whole microsporocyte surface. During cytokinesis, which completes meiotic division, callose is also secreted between the four adjacen
宿醉
发表于 2025-3-24 10:47:06
Vorbereitende Jahresabschlussbuchungen, highly complex, involving cell-cell interactions, signal transduction pathways as well as cytoskeletal reorganizations and cytoplasmic movements. P26, a protein of an apparent molecular weight of 26 kDa, is one of the major proteins of the mature sunflower pollen. Its function in pollen development
AGONY
发表于 2025-3-24 18:17:51
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peptic-ulcer
发表于 2025-3-24 19:31:59
Vorbereitende Jahresabschlussbuchungen,rt text expresses the pollination and progamic phase of gymnosperms and angiosperms. About the differences in the acceptation and germination of pollen between an open carpellar construction and a closed one in case of: “angiocarpy”, Favre-Duchartre notes:“ This phylogenetic tendency to the protecti
相一致
发表于 2025-3-25 00:34:39
Vorbereitende Jahresabschlussbuchungen,ogether with other cell types such as root hairs are exclusively tip growing cells, where expansion and wall secretion take place at the tip only (Derksen and Emons 1990). The growth rate of pollen tubes depends on the species and growth conditions, for example in pine the growth rate is less than o