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BOT2011c Test 3

photosynthetic eukaryotes

QuestionAnswer
Photosynthetic eukaryote groups glaucophytes, land plants, green algae, red algae, chlorarachniophytes, dinoflagellates, diatoms, brown algae, cryptomonads, haptophytes, euglenoids
Discicristates group euglenoids, trypanosomes, leishmanias
Stramenopiles group oomycetes, diatoms, brown algae
Alveolates group ciliates, dinoflagellates, apicomplexans
Rhizaria group chlorarachniophytes, foraminiferans, radiolarians
Primary plastid groups glaucophytes, red algae, charophycean green algae, land plants
Ostreococcus Ancestor of all photosynthetic eukaryotes, smallest fre-living eukaryote, single/morphologically simple chloroplast, multiple mitochondria
Experimenters of multicellularity Hydrodictyon (web/sheet), and Volvox (sac with daughter cells)
Chlamydomonas life cycle Asexual and sexual reproduction depending on conditions. has +/- mating types (mini sex chromosomes) Zygote dominant form in soils, light triggers meiosis
Acetabularia genetic model system Also known as mermaid's wineglass, the nucleus/genetic material resides within stem, allowing tops to be transplanted to other stems
Ulvophyte characteristics Morphologically variable, multicellular form = two layers thick, closed mitosis (nuclear envelope remains intact), alternation of isomorphic generations
Isomorphic generations When the diploid and haploid phase of an organism are identical (or very close). usually exhibit behavioral differences
Created by: poppinbubbles
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