BIO153H5 : chapter 32
Document Summary
Overview: mighty mushrooms enormous. been growing for 2,600 years. actually up to 1. 5 million species of fungi. feces, and other organic materials. forms other organisms can assimilate. from the soil. other drugs, to make bread rise, and to ferment beer and wine. Puffballs may release trillions of spores. hundreds or thousands of nuclei. hyphal tips that penetrate the tissues of their host. the absorptive nutrition of fungi. a surface area of more than 300 cm2. cytoplasmic streaming to the tips of the extending hyphae. surface area. can extend into new territory. Many fungi have a heterokaryotic stage. diploid stages that form during sexual life cycles. release sexual signaling molecules called pheromones. in separate parts of the same mycelium or mingling and even exchanging chromosomes and genes. two parents, occurs well after plasmogamy, cytoplasmic fusion of cells from the two parents. diploid cells. only diploid stage in the life cycle. specialized reproductive structures.
