Identify the parts of a typical fungal body plan and briefly explain the function of each of the structures you identified. What will be an ideal response?
hyphae: secretion of digestive enzymes and absorption of water and nutrients
sporangia: production of spores
conidiophores: production of conidia
fruiting bodies: complex reproductive structures
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Calmodulin is involved in the regulation of:
A. skeletal muscle contraction. B. propagation of a nerve impulse across a synapse. C. contraction of smooth muscle. D. propagation of heart muscle contraction to the entire myocardium.
Which of the following best describes the sexual life cycle of bread mold?
A. (1) Multinucleate gametangi are produced and compatible strains undergo plasmogeny, and form (2) a heterokaryotic zygosporangium. (3) Karyogamy of the haploid nuclei takes place to form many diploid nuclei and the zygosporangium develops into a thick-walled zygospore. (4) Meiosis occurs and produces many haploid spores, that (5) are dispersed in air and germinate when finding a suitable environment. B. (1) Multinucleate gametangi are produced and compatible strains undergo karyogamy and plasmogamy, and form (2) a heterokaryotic zygosporangium. (3) Meiosis of the diploid nuclei takes place to form many haploid nuclei and the zygosporangium develops into a thick-walled zygospore. (4) Fusion of haploid nuclei occurs and produces spores, that (5) are dispersed in air and germinate when finding a suitable environment. C. (1) Uninucleate gametangi are produced and compatible strains undergo plasmogeny and form (2) a dikaryotic zygosporangium. (3) Karyogamy forms a diploid nucleus and the zygosporangium develops into a thick-walled zygospore. (4) Meiosis of diploic nuclei occurs and produces four haploid spores, that (5) are dispersed in air and germinate when finding a suitable environment. D. (1) Multinucleate zygosporangia develop thick walls and undergo plasmogamy with compatible strains (2) to form a heterokaryotic gametangium. (3) Karyogamy of the haploid nuclei takes place to form many diploid nuclei and they develop into thick-walled spores. (4) These undergo plasmogamy and produce diploid spores, that (5) are dispersed in air and germinate when finding a suitable environment. E. (1) Multinucleate gametangi with diploid nuclei are produced and compatible strains undergo meiosis (2) to produce a heterokaryotic zygosporangium with haploid nuclei. (3) Karyogamy of these nuclei takes place to form diploid nuclei that have a dark, thick wall. (4) These develop into spores, that (5) are dispersed in air and germinate when finding a suitable environment.
Identify the non-lipid molecule.
A. Phospholipids B. Cholesterol C. Steroids D. Glycogen E. Triglycerides
Distinguish between quantitative and qualitative variation
What will be an ideal response?