Biology Lab Test 2

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Anonymous
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10725
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Biology Lab Test 2
Updated:
2010-03-15 22:02:32
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Biology Lab
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Test 2
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  1. Genus: Euglena
    • Phylum: Euglenophyta
    • 2 flagella
    • Eyespot (stigma)
    • Contractile vacuole
    • Chloroplast
    • Pyrenoid--round area within the plastid that may be associated with paramylon synthesis
    • Paramylon--carbohydrate storage product
    • Pellicle--helically arranged striations which appear beneath the plasma membrane
  2. Diatoms
    • Phylum: Bacillariophyta
    • Unicellular or colonial organisms of both fresh and marine waters
    • "The algae that live in glass houses)
    • Pennate--bilaterally symmetrical
    • Centric--radially symmetrical
  3. Genus: Anabaena
    • Cyanobacteria
    • Heterocyst
    • Akinete
  4. Genus: Gloeocapsa
    • Cyanobacteria
    • Colonial
  5. Genus: Nostoc
    • Cyanobacteria
    • Colonial
    • Consists of many filaments within a gelatinous or colloidal matrix
  6. Genus: Oscillatoria
    • Cyanobacteria
    • Filamentous
    • Hormogonia--means of vegetative reproduction
  7. Genus: Saprolegnia
    • Phylum: Oomycota (the water molds)
    • Saprophitic
    • Oogonia--female gametangia
    • Antheridia--male gametangia
  8. Puccinia graminis
    • Phylum: Basidiomycota
    • Class: Teliomycetes
    • Produce spores in clusters (sori)
    • Black stem rust of wheat
    • Uredinial--red stage
    • Telial--black stage
    • Urediniospores--binucleate, single-celled spores
    • Teliospores--two-celled, each cell binucleate
  9. Genus: Penicillium
    • Phylum: Ascomycota (the sac fungus)
    • Look like brooms
    • Conidiophores--branching, spore-producing structures
    • Conidia--chains of asexual spores
  10. Genus: Rhizopus
    • Phylum: Zygomycota
    • Sporangia
    • Sporangiophores--upright stalks to which sporangia are attached
    • Stolons--interconnecting hyphae between groups of sporangiophores
    • Rhizoids--anchor
  11. Genus: Saccharomyces
    • Phylum: Ascomycota (the sac fungus)
    • Baker's yeast
    • Each ascus contains either 4 or 8 ascospores
  12. Genus: Fucus
    • Phylum: Phaeophyta (the brown algae)
    • Rockweed
    • Receptacles--ends of branches or blades
    • Conceptacles--cavities within the receptacels in which the sex organs are located Paraphyses--sterile, filamentous structures within the conceptacles
  13. Desmids
    • Class: Charophycea
    • Phylum: Chlorophyta
    • Nucleus of the cell located in the isthmus connecting the two halves of the cell
  14. Genus: Volvox
    • Class: Chlorophyceae
    • Phylum: Chlorophyta
    • Motile colonies
    • Cells arranged in a single layer as a hollow sphere held together by a gelatinous sheath
    • Cytoplasmic stands form a network among cells
  15. Genus: Hydrodictyon
    • Class: Chlorophyceae
    • Phylum: Chlorophyta
    • "Water net"
  16. Genus: Ulothrix
    • Class: Ulvophyceae
    • Phylum: Chlorophyta
    • Filamentous
  17. Genus: Oedogonium
    • Class: Chlorophyceae
    • Phylum: Chlorophyta
    • Growth is intercalary--between base and apex of the filament
    • Annular scars--indicate the number of cell divisions that have taken place
    • Oogonia
    • Antheridia
  18. Genus: Spirogyra
    • Class: Charophycea
    • Phylum: Chlorophyceae
    • Spiral

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