25 lab algae quiz (25) [11 20-13]

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25 lab algae quiz (25) [11 20-13]

  1. 1. Algae Quiz (25) Lab quiz: Thursday 11/20 Lab Exam: Thursday 12/6
  2. 2. Cellular organization 1. unicellular 2. filamentous: chains of cells attached end to end 3. colonial: groups of algae attached to each other in nonfilamentous manner
  3. 3. Chlamydomas • • • • single cell flagella green algae similar to land plants – has chlorophyll a and b – cell walls made of cellulose • stigma
  4. 4. Chlamydomas • reproduce via mitosis
  5. 5. Cladophora • branched, filamentous
  6. 6. syngamy • pairing and fusion of morphologically similar haploid gametes to form a diploid zygote
  7. 7. Spirogyra • Spirogyra • Spirogyra is a genus of filamentous green algae of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is diagnostic of the genus. Scientific name: Spirogyra • Rank: Genus • Higher classification: Zygnemataceae
  8. 8. Spirogyra • reproduce by conjugation – conjugation tube
  9. 9. Volvox • green alga • oogamy • daughter colonies
  10. 10. oogamy • motile sperm flows to non-motile eggs to form diploid zygote • Volvox
  11. 11. brown alga • • • • • • phylum: phaeophyta fucoxanthin conceptacles oogonia antheridia examples: Macrocytis, Sargassum
  12. 12. red algae • phylum rhodophyta • phycobilinds in plastids • Polysiphonia, Porphyra
  13. 13. diatoms • • • • phylum bacillariophyta unicellular algae chlorophylls a & c cell wall: silica
  14. 14. dinoflagellates • • • • • phylum dinozoa unicellular two flagella red tide bioluminescent • Peridinium
  15. 15. dinoflagellates • • • • • phylum dinozoa unicellular two flagella red tide bioluminescent • Ceratium
  16. 16. euglenoid • • • • • phylum: euglenida unicellular algae chlorophyll NO cell wall pellicle: made of protein • paramylon granules: food reserves are stored

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