Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 27, Problem 7TYK
Summary Introduction
Introduction:
Several groups of protists on the basis of habitat, cell structure, and mode of reproduction are classified as Oomycota, Chrysophyta, Bacillariophyta (diatoms), and Phaeophyta (brown algae). Protists are unicellular or multicellular eukaryotes with characters such as the true nucleus, pellicle covering, structures for motility and ability to thrive in diverse habitats.
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Students have asked these similar questions
Which of the following best describes Basidiomycota?
A. The vast majority of spores formed are asexual.
B. Spores line up in a sac in the order they were formed by meiosis.
C. Monokaryotic hyphae fuse to grow into a heterokaryotic mycelium.
D. No sexual stage has been found.
Chitin cell walls, absorptive and chemoheterotrophic metabolism, and a fleshy thallus (body) with a large cap (eg: mushrooom) -- that produces sexual spores atop a "pedestal" or "Club-like" structure after plasmogomy and karyogamy -- are members of Division
a. Phaeophyta
b. Rhodophyta
c. Basidiomycota
d. Oomycota
e. Ascomycota
f. Zygomycota
Dikaryotic cells
A.
contain two nuclei per cell
B.
produce two spores per hypha
C.
contain diploid nuclei
D.
have two hyphae per fruiting body
E.
contain pairs of homologous chromosomes
Chapter 27 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 27.1 - What distinguishes protists from prokaryotes? What...Ch. 27.2 - What is the evidence that the metamonads, which...Ch. 27.2 - In primary endosymbiosis, a nonphotosynthetic...Ch. 27 - Which of the following is a characteristic of...Ch. 27 - Which of the following is not found among the...Ch. 27 - Prob. 3TYKCh. 27 - When Paramecium conjugate: a. cytoplasmic division...Ch. 27 - The group Diplomonadida is characterized by: a. a...Ch. 27 - Prob. 6TYKCh. 27 - Prob. 7TYK
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- In a culture of hyphae of unknown origin, you notice that the hyphae lack septa and that the fungi reproduce asexually by using clumps of erect stalks. However, at times sexual reproduction can be observed. To what group of fungi would you assign it?a. Chytridiomycotab. Basidiomycotac. Ascomycotad. Zygomycotaarrow_forwardThe feeding hyphae of a basidiomycete are mostlya. haploid. c. dikaryotic.b. diploid. d. acellular.arrow_forward1)If we study septate and coenocytic hyphae of equal length from two fungi species, then the coenocytic hyphae is unique because A. It is haploid B. It has fewer pores in the wall C. It has more cytoplasm streaming d.Has cellulose in the cell wallsarrow_forward
- In the life cycle of a typical basidiomycete, you would expect to find a dikaryotic cell in thea. primary mycelium.b. secondary mycelium.c. basidiospores.d. zygote.arrow_forwardThe collective mass of hyphae is called a a. sporophyte. b. mycelium. c. ascocarp. d. lichen.arrow_forwardWhat are the division and medical importance of A. Euglenoids B. Rhodophyta C. Chlorophyta D. Diatoms E. Dinoflagellates F. Phaeophytaarrow_forward
- Provide the best match possible. A. differentiates into a fruiting body called a sorocarp B. have flagellated cells C. are thought to be a major cause of bacterial vaginitis D. spread via the bloodstream E. are attached to the plasma membrane but not continuous with it select 1. Giardia intestinalis does NOT_ 2. Zygomycetes, Ascomycetes, and Basidiomycetes does NOT 3. The photosynthetic membranes of the green sulfur bacteria select select select 4. The pseudoplasmodium of cellular slime molds_ select • 5. Species of the genus Gardnerella _?arrow_forwardWhich of these statements are false for lichens? Please select all correct answers. a.) Fungal species are obligate symbionts b.) A lichen is two species engaged in commensalism c.) Algal species are facultative symbionts d.) Lichen fungi gain sugars from algae e.) The relationship is beneficial for both fungi and algaearrow_forwardFungi are all: a. multicellular b. eukaryotic c. decomposers d. single- celledarrow_forward
- Choose the best below ? Fungi are classified according to a. sexual reproductive structures.b. shape of their hyphae.c. mode of nutrition.d. type of cell wall.e. All of these are correct.arrow_forwardthere's no need to explain the answer :) 1. In which of the group do sporangia on erect hyphae that produce asexual spores are found? A. Ascomycota B. Zygomycota C. Basidiomycota D. Deuteromycota 2. Which of the following best describes Basidiomycota? A. The vast majority of spores formed are asexual. B. Spores line up in a sac in the order they were formed by meiosis. C. Monokaryotic hyphae fuse to grow into a heterokaryotic mycelium. D. No sexual stage has been found. 3. Which of the following does not describe a lychen? A. It usually involves an ascomycete and a green algae or cyanobacterium. B. It posses sori. C It can reproduce asexually by forming soredia. D. It is able to colonize bare rocks and cold habitats. 4. What are Deuteromycota? A. They have no known asexual stage. B. They include fungi that reproduce by conjugation. C. They have many members that appear to be related to the…arrow_forwardHow 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_forward
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