Introduction to the Algae: Structure and ReproductionPrentice-Hall, 1985 - 720 pagine Very comprehensive text for physiology (algae) and/or limnology (freshwater biology) courses at the junior/senior/grad level. |
Dall'interno del libro
Risultati 1-3 di 51
Pagina 285
... oogonium grows , the tube cells elongate , in sinistrally helical fashion , over the egg , in which accumulation of storage products obscures the nucleus . At maturity the helical tube cells develop intercellular slits at the level just ...
... oogonium grows , the tube cells elongate , in sinistrally helical fashion , over the egg , in which accumulation of storage products obscures the nucleus . At maturity the helical tube cells develop intercellular slits at the level just ...
Pagina 381
... oogonium . The first two divisions of the nucleus of the oogonium are meiotic , and these four haploid nuclei undergo a mitotic division to produce a total of eight haploid nuclei per oogonium . Various alternatives exist for these ...
... oogonium . The first two divisions of the nucleus of the oogonium are meiotic , and these four haploid nuclei undergo a mitotic division to produce a total of eight haploid nuclei per oogonium . Various alternatives exist for these ...
Pagina 382
... oogonium , is completely the same as that of a unilocular sporangium . The original single nucleus within the antheridium undergoes meiosis , and the four haploid nuclei undergo a series of mitotic divisions , resulting usually in 64 ...
... oogonium , is completely the same as that of a unilocular sporangium . The original single nucleus within the antheridium undergoes meiosis , and the four haploid nuclei undergo a series of mitotic divisions , resulting usually in 64 ...
Sommario
The Place of Algae in the Plant Kingdom | 7 |
Cultivation of Algae in the Laboratory | 15 |
Biological and Economic Aspects of Algae | 31 |
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Introduction to the Algae: Structure and Reproduction Harold Charles Bold,Michael James Wynne Visualizzazione estratti - 1985 |
Introduction to the Algae: Structure and Reproduction Harold Charles Bold,Michael James Wynne Visualizzazione estratti - 1985 |
Introduction to the Algae: Structure and Reproduction Harold Charles Bold,Michael James Wynne Visualizzazione estratti - 1978 |
Parole e frasi comuni
akinetes algal apical cell aplanospores Asexual reproduction attached autocolony autospores auxiliary cell axes axis basal biflagellate blade blue-green algae carpogonial branch carposporophyte cell division cell wall cells Fig cellular Chlamydomonas chloro chlorophyll chloroplasts colonies colorless conjugation contain cortical Courtesy culture cycle cyst cytokinesis cytoplasm diatoms dinoflagellates dioecious diploid elongate euglenoids eyespot female fertilization FIGURE filaments flagella flagellate flagellum formation gametangia gametes gametophytes gelatinous genera genus germination green algae growth haploid heterocysts intercalary investigated isogamous Kornmann lack lateral layer lorica male marine mature meiosis membrane motile cells nonmotile nucleus occur oogamous oogonia oogonium parental cell pattern phase Pickett-Heaps pigments plants plurilocular organs present produced protoplast pyrenoids quadriflagellate red algae rhizoidal segments sexual reproduction sheath single siphons species sperm spherical sporangia spores sporophyte stage Starr stipe substrate surface tetrasporangia thallus tion trichomes ultrastructural undergo unicellular unilocular sporangia valve vegetative cells vesicle zoospores zygote