BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 31, Problem 1U
A fungal cell that contains two genetically identical nuclei is described as
a. heterokaryotic.
b. homokaryotic.
c. diploid.
d. haplodiplontic.
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Students have asked these similar questions
Although ascospores are produced by mitotic division, none of the spores develop into fungi that are identical to either parental hyphae. What is the BEST explanation for this observation?
A.
The spores inherit half their genes from each parent.
B.
The spores inherit haploid nuclei from their parents.
C.
The spores inherit mutations as a result of meiosis.
D.
The spores inherit mutations as a result of mitosis.
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
When fungal hyphae meet in sexual mating, they first fuse their cytoplasms, and then later undergo
a. Plasmogamy
b. Karyogamy
c. Cytogamy
d. Ribosogamy
e. Chomosogamy
Chapter 31 Solutions
BIOLOGY
Ch. 31.1 - Prob. 1LOCh. 31.1 - Prob. 2LOCh. 31.2 - Prob. 1LOCh. 31.2 - Compare cell division in fungi and higher...Ch. 31.2 - Prob. 3LOCh. 31.2 - Prob. 4LOCh. 31.3 - Prob. 1LOCh. 31.3 - Prob. 2LOCh. 31.3 - Compare and contrast arbuscular mycorrhizae and...Ch. 31.4 - Prob. 1LO
Ch. 31.4 - Prob. 2LOCh. 31.5 - Prob. 1LOCh. 31.5 - Prob. 2LOCh. 31.5 - Prob. 3LOCh. 31.6 - Explain which cells in the life cycle of an...Ch. 31.6 - Prob. 2LOCh. 31.6 - Prob. 3LOCh. 31.7 - Describe the ecological importance of the...Ch. 31.7 - Prob. 2LOCh. 31.8 - Prob. 1LOCh. 31.8 - Prob. 2LOCh. 31.8 - Prob. 3LOCh. 31.9 - Prob. 1LOCh. 31.9 - Prob. 2LOCh. 31.9 - Prob. 3LOCh. 31.10 - Prob. 1LOCh. 31 - Data analysis Comparative analyses of fossil and...Ch. 31 - A fungal cell that contains two genetically...Ch. 31 - Prob. 2UCh. 31 - Prob. 3UCh. 31 - Prob. 4UCh. 31 - Prob. 5UCh. 31 - If two genetically different, haploid (n) hyphae...Ch. 31 - Prob. 7UCh. 31 - Prob. 1ACh. 31 - Prob. 2ACh. 31 - Prob. 3ACh. 31 - Prob. 4ACh. 31 - Prob. 5ACh. 31 - Prob. 6ACh. 31 - Prob. 1SCh. 31 - Prob. 2SCh. 31 - Prob. 3SCh. 31 - Prob. 4S
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- Some fungi can be viewed as coenocytic organisms that exhibit little differentiation. When differentiation does occur, such as in the formation of reproductive structures, it is preceded by septum formation. Why does this occur?arrow_forwardWhich 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_forwardThe complete mass of fungal cell filaments that forms a fungus is called a: a) Hypha. b) Mycelium. c) Spore. What Division of fungi produce spores in sac-like structures, morels are an example, and many form cup-like structures in addition to the sac-like sporangia? a) Zygomycota. b) Ascomycota. c) Basidiomycota. 3. lichen is best described as: a) a Plant b) A fungus. c) An alga. d) A symbiotic relationship between algae or cyanophyta; and fungi. 4. The Oomycota and slime molds are members of the Kingdom Fungi. a) True. b) False. 5. Into which taxon would you classify the following organism: a multicellular eukaryote, with a cellulose cell wall, that is photosynthetic, and has a number of tissues? a) Excavata. b) SAR. c) Metazoa. d) Plantae. 6. Which statement is not true of plant alternation of generations? a) A gametophyte makes gametes. b) A sporophyte is 2n. c) A spore fuses with another spore to…arrow_forward
- 1)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_forwardA mushroom is______ . a. a fungal digestive organ b. the only part of the fungal body made of hyphae c. a reproductive structure that releases sexual spores d. made of haploid hyphaearrow_forwardAlthough ascospores are produced by mitotic division, none of the spores develop into fungi that are identical to either parental hyphae. What is the BEST explanation for this observation? A. The spores inherit half their genes from each parent. B. The spores inherit haploid nuclei from their parents. C. The spores inherit mutations as a result of meiosis. D. The spores inherit mutations as a result of mitosis. Photo Attatchedarrow_forward
- B. How do fungi differ from bacteria and other eukaryotic organism? C. Explain the point of difference between the sexual and asexual cycle of fungi.arrow_forwardThe mycelium of a multicelled fungus is a mesh of filaments, each called a_______ . a. septa b. hypha c. sporearrow_forwardSome anti-fungal medications work by blocking DNA synthesis in the fungal cell. Describe where in the cell cycle such a medication would halt the fungal cell . and the consequences of this early termination of the cyclearrow_forward
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