BIOLOGY
5th Edition
ISBN: 9781265202859
Author: BROOKER
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Textbook Question
Chapter 28, Problem 8TY
What are extrusomes?
- a. hairs on flagella
- b. membrane sacs beneath the cell surface
- c. tough-walled asexual cells
- d. spearlike defensive structures shot from cells under attack
- e. special types of survival cysts
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Slime molds are ususual in their lifestyles and apperance. You might have seen one and not even realized it. Dictyostelium discoideum is a slime mold used in research.
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Chapter 28 Solutions
BIOLOGY
Ch. 28.1 - An Introduction to Protists Core Skill:...Ch. 28.2 - Prob. 1CCCh. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Evolution and Relationships Concept Check: How do...Ch. 28.2 - Prob. 4CCCh. 28.2 - Prob. 5CCCh. 28.3 - Prob. 1EQCh. 28.3 - Prob. 2EQCh. 28.4 - Prob. 1CCCh. 28.4 - Prob. 2CC
Ch. 28.4 - Core Skill: Modeling The goal of this modeling...Ch. 28 - Prob. 1TYCh. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - What organisms have tertiary plastids? a. certain...Ch. 28 - What is surprising about mixotrophs? a. They have...Ch. 28 - What advantages do diatoms obtain from sexual...Ch. 28 - What are extrusomes? a. hairs on flagella b....Ch. 28 - Prob. 9TYCh. 28 - Prob. 10TYCh. 28 - Prob. 1CQCh. 28 - Why have molecular biologists sequenced the...Ch. 28 - Core Concept: Science and Society Why are the...Ch. 28 - Prob. 1COQCh. 28 - Prob. 2COQ
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- What is evidence for conflict in Dictyostelium? A. only clonal groups have unequal spore/stalk ratios B. chimeras form between genotypes C. clonal groups migrate farther as a slug compared to chimeras D. clonal groups have shorter stalk lengtharrow_forwardDifferences between Entamoeba histolytica and Entamoeba coli in terms of: a. Chromatoidal mass b. Description of pseudopode and motility c. Number of nuclein in the mature cyst stage d. Location of the karyosomearrow_forwardBasidiomycota is a division of the Kingdom Fungi. They include groups such as mushrooms, and reproduce sexually through the formation of cells called basidia. Which of the following rows identifies Process 1 and Process 3 in the life cycle shown in the diagram? Select one: a. Process 1 Process 3 Meiosis Mitosis b. Process 1 Process 3 Mitosis Mitosis c. Process 1 Process 3 Meiosis Meiosis d. Process 1 Process 3 Mitosis Meiosisarrow_forward
- 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 chromosomesarrow_forwardThe wall dividing individual cells in a fungal filament is called a a. thallus b. hypha c. mycelium d. septumarrow_forwardWhich of the following can be associated with life cycles in protists? Select all that apply. A. alternation of generations B. multicellular haploids and unicellular diploids C. heterotrophic diploids and phototrophic haploids D. meiosis and fertilization E. binary fission F. zygotes producing gametesarrow_forward
- on Karyogamy is a term used to describe: O a. A Mode of cell division in fungi O b. Joining of two haploid nuclei of O c. Asexual reproduction of yeast O d. Chromosomes in the nucleus O e. Fusion of cytoplasm ofarrow_forwardTemporary finger like extensions on amoeba are called: I. Cell membrane II. Cell wall III. Pseudopodia IV. Ciliaarrow_forwardDescribe how vernalization can have an effect in cells thatwere not formed at the time of the cold treatment.arrow_forward
- Describe envelopes and spikes, and discuss their origins.arrow_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.arrow_forwardOutline the apicomplexan life cyclearrow_forward
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