Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 31, Problem 7TYK
Summary Introduction
Introduction: Mycology is called a study of
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Health professionals refer to fungal skin diseases as “tineas” and name them according to the region affected (TABLE 23.1). Fungal skin diseases are persistent, in part because fungi can penetrate deeper layers of skin than can ointments and creams. There are fewer antifungal drugs than antibacterial ones, and antifungals often have more severe side effects. Reflect on the evolutionary relationships among bacteria, fungi, and humans. Why it is harder to fight fungi than bacteria?
Give arguments to support the hypothesis that fungi are opisthokonts,more closely related to animals than to plants.
Fungi are not classified as Plants primarily because they:
a. are prokaryotes
b. need high moisture
c. are chemoheterotrophic
d. reproduce sexually
Chapter 31 Solutions
Study Guide for Campbell Biology
Ch. 31 - In what way(s) do mycorrhizal fungi benefit...Ch. 31 - Prob. 2IQCh. 31 - Prob. 3IQCh. 31 - Prob. 4IQCh. 31 - Prob. 1SYKCh. 31 - Prob. 2SYKCh. 31 - Prob. 1TYKFCh. 31 - Prob. 2TYKFCh. 31 - Prob. 3TYKFCh. 31 - Prob. 4TYKF
Ch. 31 - Prob. 5TYKFCh. 31 - Prob. 6TYKFCh. 31 - Prob. 7TYKFCh. 31 - Prob. 8TYKFCh. 31 - Prob. 1TYKCh. 31 - Prob. 2TYKCh. 31 - Prob. 3TYKCh. 31 - Prob. 4TYKCh. 31 - Prob. 5TYKCh. 31 - Prob. 6TYKCh. 31 - Prob. 7TYKCh. 31 - Prob. 8TYKCh. 31 - Prob. 9TYKCh. 31 - Prob. 10TYKCh. 31 - Prob. 11TYKCh. 31 - Prob. 12TYKCh. 31 - Prob. 13TYKCh. 31 - Prob. 14TYKCh. 31 - Prob. 15TYK
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- Which of the following statements about fungi is false?a. Most fungi are multicellular.b. Fungal cell walls are composed of cellulose.c. Most fungi are nonmotile.d. Fungi digest their food before ingesting it.arrow_forwardHealth professionals refer to fungal skin diseases as "“tineas" and name them according to the region affected. Fungal skin diseases are persistent, in part, because fungi can penetrate deeper layers of skin than can ointments and creams. There are fewer antifungal drugs than ones, and antifungals often have more severe side effects. Reflect on the evolutionary relationships among bacteria, fungi, and humans. 1. List 5 different "Tineas" to show the connection between the name and the body parts affected from them. 2. Are fungi unicellular or multicellular organism? 3. Why it is harder to fight fungi than bacteria? 4. Why antifungals have more severe side effects?arrow_forwardFungi were once classified in the same kingdom as plants. Which characteristic of fungi resulted in them being placed in a separate kingdom?arrow_forward
- How can ascomycetes be distinguished from basidiomycetes?a. Ascomycete hyphae have simple pores in their septa and lack clampconnections, whereas basidiomycete hyphae display complex septalpores and clamp connections.b. Ascomycetes produce sexual spores in sacs, whereasbasidiomycetes produce sexual spores on the surfaces of clubshaped structures.c. Ascomycetes are commonly found in lichens, whereasbasidiomycetes are less commonly partners in lichen associations.d. Ascomycetes are not commonly mycorrhizal partners, butbasidiomycetes are commonly present in mycorrhizal associations.e. All of the above are correct.arrow_forwardWhich statement below is true about the most recently evolved groups (2 groups) of fungi? a the two most recently evolved groups are zygomycetes and ascomycetes b they have hyphae with crosswalls c they are only found in aquatic environmentsarrow_forwardWhich of the following statement(s) is/are TRUE? a. yeasts are unicellular fungi b. molds and mushrooms are filamentous fungi. The filaments are chains of cells called "hyphae" C. most protozoa are unicellular, animal-like members of Domain Archaea, many of which are motile and lack cell walls d. algae have historically been described as "plant-like" protists because they contain chloroplasts and cell walls e. organisms which make chlorophyll a can perform oxygenic photosynthesis f. all organisms which make chlorophyll a have chloroplasts g. Nostoc, algae and plants all make chlorophyll a and all have chloroplasts h. Nostoc, algae and plants have mitochondria which evolved from primitive endosymbiotic bacteria i. Photoautotrophs perform photosynthesis and chemoheterotrophs require pre-formed organic molecules as a source of carbon and energy j. Cyanobacteria, algae and plants are photoautotrophs. Fungi, protozoa and animals are chemoheterotrophs k. Most bacteria, all fungi, all algae…arrow_forward
- Slime molds/moulds or mycetozoans is a broad term that applies to many fungus-like protists. a. In what sense is it appropriate to describe slime molds as “fungus animal”? b. Elaborate on the evolution of the slime molds into two distinct groups.arrow_forwardThe cell walls of fungi are strengthened by chitin, a strong but flexible polysaccharide. Which of these statements about the function of chitin in fungal cell wall is TRUE? a. Chitin-rich walls of fungi improves feeding by facilitated diffusion. b. The movement of water and nutrients into fungal cells creates pressure that could cause them to burst if they were not surrounded by a chitin-rich cell wall. c. The chitin present in fungal cell wall does not impart any advantage in terms of nutrient acquisition from the environment. d. Chitinous tubular cell walls confers motility to multicellular fungi.arrow_forwardLichens are said to be composite organisms made up of two very different types of organisms: usually a fungus and an alga (or in a few lichens, a fungus and a Cyanobacterium). (Alga is the singular of algae.) How do these two types of organisms work together to become a functional composite organism? That is, what does each organism provides to the relationship to make it successful? Think about a lichen living on the face of a rock.arrow_forward
- "Like plants, fungi can make their own food using photosynthesis." Please explain in detail why this is false and a misconception.arrow_forwardHow are a fungus's hyphae, mycelium, and septa related? A. The hyphae is a network of branched mycelium. Individual mycelia are separated by cross walls called septa. B. The mycelium is a network of branched septa. Individual septa are separated by cross walls called hyphae. C. The mycelium is a network of branched hyphae. Individual hyphae are separated by cross walls called septa. D. The septa is a network of branched hyphae. Individual hyphae are separated by cross walls called mycelium.arrow_forwardGive arguments to support the hypothesis that chytrids may have been the earliest fungal group to evolve from the most recent common ancestor of fungi.arrow_forward
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