Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 12, Problem 9MCQ
Summary Introduction
Introduction
Cell organelles are plays important role in eukaryotes, flagella is the important cell organelles need for motility in non-motile
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Characteristics of Dientamoeba fragilis include all of the following except:
a. This organism is a flagellate with internal flagella
b. Transmission is thought to occur through the ingestion of specific helminth eggs
c. This organism is pathogenic and tends to be more commonly found in children
d. Trophozoites contain a single nucleus, while the cysts contain two nuclei
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.
Discuss the importance of these microorganisms in our lives and in nature.
Chapter 12 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 12 - Prob. 1RCh. 12 - A mixed culture of Escherichia coli and...Ch. 12 - Prob. 3RCh. 12 - Prob. 4RCh. 12 - Differentiate cellular and plasmodial slime molds....Ch. 12 - Prob. 6RCh. 12 - Prob. 7RCh. 12 - Prob. 8RCh. 12 - Prob. 9RCh. 12 - DRAW IT A generalized life cycle of the liver...
Ch. 12 - How many phyla are represented in the following...Ch. 12 - Prob. 2MCQCh. 12 - Prob. 3MCQCh. 12 - Fleas are the intermediate host for Dioylium...Ch. 12 - Prob. 5MCQCh. 12 - Prob. 6MCQCh. 12 - The definitive host for Plasmodium vivax is a....Ch. 12 - Prob. 8MCQCh. 12 - Prob. 9MCQCh. 12 - Prob. 10MCQCh. 12 - Alexandrium (red tide) has been called a plant...Ch. 12 - The life cycle of the fish tapeworm...Ch. 12 - Trypanosoma brucei gambiense-part (a) in the...Ch. 12 - Prob. 1CAECh. 12 - Prob. 2CAECh. 12 - A teenaged male in California complained of...
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- Which are correct and which are not correct? 1. Amebae move by the means of pseudopodia, example Entamoeba histolytica 2. Ciliates like Blantidium coli move by numerous hairlike structures 3. Sporozoa, Plasmodium spp. have no visible means of movement 4. Flagellates like Giardia lamblia move with a whip like structure All are matched correctlyarrow_forwardPlease answer the questions below completely AND correctlyarrow_forwardThe following Genera belongs to Euglenozoa, except. a. Balantidium b. Naegleria c. Trypanosoma d. Leishmaniaarrow_forward
- All of the following are examples of superficial mycoses EXCEPT Select one: a. Ringworm b. Mycetoma c. Piedra d. Pityriasisarrow_forwardThe following genera belongs to Apicomplexa, except. a. Entamoeba b. Plasmodium c. Babesia d. Cryptosporidiumarrow_forwardGiardia lamblia is a cyst-forming protist parasite that causes diarrhea if ingested. Given this information, against what type(s) of environments might G. lamblia cysts be particularly resistant?arrow_forward
- What cellular structures would Naegleria fowleri use for motility?a. cilia b. pseudopods c. flagella d. None; N. fowleri is nonmotile.arrow_forwardContrast a cell Streptococcus pyogenes (a bacterium) with the unicellular protozoan Entamoeba hystolica, listing at least 6 differences.arrow_forwardSome literature lists the 4 groups of protozoans as: 1) Flagellates 2) Amoebas 3) Ciliates 4) Sporozoans But other sources list the 4 groups as: 1) Flagellates 2) Amoebas 3) Heliozoans 4) Ciliates Compare and contrast heliozoans vs. sporozoans. Explain why one would replace the other in literature sources.arrow_forward
- a. Why is it necessary for most parasites to leave their host tocomplete the life cycle?b. What are some ways to prevent completion of the life cycle?c. What is the benefit to parasites of having numerous hosts?d. What are the disadvantages in having more than one host?arrow_forwardanswer the following question with in depth detail on habitat, lifestyles, and global distribution of, "protists."arrow_forwardWhich parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucci c. Plasmodium falciparum d. Phytophthora infrstansarrow_forward
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