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Lab Exercise 11 :

Lab Exercise 11 :. Fungi. This gives new meaning to the old saying, “There’s a fungus among us!”. Station 1. Rhizopus stolonifer macroscopic. Rhizopus spoiled fruit. (Station 1 continued). Station 2. Rhizopus asexual and sexual spores. Asexual. Asexual. sporangio.

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Lab Exercise 11 :

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  1. Lab Exercise 11: Fungi This gives new meaning to the old saying, “There’s a fungus among us!”

  2. Station 1. Rhizopus stolonifer macroscopic

  3. Rhizopus spoiled fruit (Station 1 continued)

  4. Station 2. Rhizopus asexual and sexual spores Asexual Asexual sporangio Opposite mating types join hyphae zygosporangium (containing zygospores) Sexual

  5. Station 3. Peziza (common cup fungus)

  6. Station 4. Morchella, the morel

  7. Station 5. Yeast (Saccharomyces cerevisiae) b. Fermentation by-product used here? • Method of reproduction? • Asexual or sexual? • Conditions? c. Fermentation by-product used here? Answers: a. budding, asexual, good conditions b. CO2 gas c. ethyl alcohol

  8. Station 6. Claviceps purpurea (ergot of rye disease)

  9. Station 7. Mushrooms a. Name of this part? c. structure? b. Structures? Spores produced? Asexual or sexual? d. Name of this part? Answers: a. pileus b. lamellae with sexual basidiospores c. annulus d. stipe

  10. Station 8. Puffballs

  11. Station 9. Bracket fungi

  12. Station 10. Corn Smut

  13. Station 11. Tinea (ringworm)

  14. Candida albicans (pathogenic yeast) can cause oral thrush Station 12: Candida albicans

  15. Station 13. Penicillium macroscopic

  16. Asexual Spores 1. Rhizopus sporangia and sporangiospores

  17. Asexual Spores 2. ‘’Budding yeast’blastospores

  18. Asexual Spores 3. Corn Smut chlamydospores

  19. Asexual Spores 4. Geotrichium candida arthrospores

  20. Asexual Spores 5. Penicillium conidiospores

  21. Sexual Spores 1. Rhizopus conjugation immature mature zygosporangia

  22. 8 Sexual Spores 2. Peziza ascospores

  23. Sexual Spores 3. Schizosaccharomyces ascospores

  24. Sexual Spores 4. Coprinus mushroom basidiospores

  25. Wet Mount: Live Yeast cells budding

  26. Fungal Microcultures

  27. Penicillium

  28. Rhizopus nigricans

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