Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 12, Problem 6MC
Summary Introduction
Introduction:
Trematodes belong to phylum Platyhelminthes and include disease-causing (parasitic)
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The term protista refers to :
a) A kingdom within the superkingom SAR.
b) A kingdom within the superkingdom Excavata.
c) It is a descriptive term or common name for unicellular, colonial, and some multicellular
organisms that lack true tissues.
d) A phylum within the Kingdom Metazoa.
Which term best describes the following organism: a unicellular (single celled) eukaryote that has a single large mitochondrion, and causes Chagas disease or sleeping sickness.
a) Hypermastigophora.
b) Diplomonada.
c) Algae.
d) Trypanosoma.
e) Rhizopoda.
4. What term best describes the following organism: a multicellular eukaryote with a chitinous cell wall that is an absorptive heterotroph?
a) Fungi.
b) Metazoa.
c) Plantae.
d) Excavata.
A cnidocyst is :
a) a spicule
b) an organelle
c) a centriole
d) a parasite
Which of the following organisms would be considered to be an autotroph?
A) a yeast
B) a mold
C) a protozoan
D) an alga
Chapter 12 Solutions
Nester's Microbiology: A Human Perspective
Ch. 12 -
1. What are the major differences between a...Ch. 12 - Prob. 2SACh. 12 -
3. Why are few lichens found in industrial...Ch. 12 - Prob. 4SACh. 12 - Prob. 5SACh. 12 - Prob. 6SACh. 12 -
7. Compare and contrast the organisms that cause...Ch. 12 - Name a disease for which humans are an...Ch. 12 - Prob. 9SACh. 12 -
10. Explain how an insect might act as a...
Ch. 12 -
1. Members of this group have chitinous cell...Ch. 12 - Prob. 2MCCh. 12 - Prob. 3MCCh. 12 - Prob. 4MCCh. 12 - Prob. 5MCCh. 12 - Prob. 6MCCh. 12 - The current phylogeny of eukaryotes is based upon...Ch. 12 -
8. All algae have
a) chlorophyll a.
b) cell walls...Ch. 12 - Prob. 9MCCh. 12 -
10. Which of the following statements regarding...Ch. 12 - Prob. 1ACh. 12 - Paper recycling companies refuse to collect paper...Ch. 12 -
1. If you discovered a new type of nucleated cell...Ch. 12 - Prob. 2CT
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- 59) Which of these are actual mutualistic partnerships that involve a protist and a host organism? A) cellulose-digesting gut protists : wood-eating termites B) dinoflagellates : reef-building coral animals C) Trichomonas : humans D) algae : certain foraminiferans E) all except Carrow_forwardIn which aspect do all protozoans definitely differ from animals? a) Unicellularity b) Heterotrophism c) All of the other choices (except "None among....") d) Motility at least once across the life cycle e) None among the other choices f) Autotrophismarrow_forwardYou have discovered a new coccoid-shaped microorganism with no nucleus, a rigid cell wall, and a diameter of 2 μm. Chemical tests reveal that its cell wall does NOT contain peptidoglycan. The new microorganism is A) most likely a bacterium. B) most likely a eukaryote. C) most likely an archaeon. D) either a bacterium or an archaeon.arrow_forward
- Which of the following is correct regarding multicellularity? a) All protists are unicellular organisms b) Colonies of bacteria are considered multicellular organisms c) It arises from endosymbiosis d) In animals, multicellularity involved the evolution of a new sequence domain in proteins called cadherins that allow cells to attach to one another e) Multicellularity evolved only once in all eukaryotesarrow_forwardWhat term best describes the following organisms: some with tetramembraneous chloroplasts, some with hairy flagellae, some with pseudopods; some with cuplike indentations in the cell membrane? a) Excavata. b) SAR. c) Plantae. d) Unikonta. The term protista refers to : a) A kingdom within the superkingom SAR. b) A kingdom within the superkingdom Excavata. c) It is a descriptive term or common name for unicellular, colonial, and some multicellular organisms that lack true tissues. d) A phylum within the Kingdom Metazoa. Which term best describes the following organism: a unicellular (single celled) eukaryote that has a single large mitochondrion, and causes Chagas disease or sleeping sickness. a) Hypermastigophora. b) Diplomonada. c) Algae. d) Trypanosoma. e) Rhizopoda. 4. What term best describes the following organism: a multicellular eukaryote with a chitinous cell wall that is an absorptive heterotroph? a) Fungi. b)…arrow_forwardThe peptidoglycan region in archaea is connected to each other by a: a) tetrapeptide b) Teichoic Acid c) Lipoteichoic acid d) all of the above e) none of the abovearrow_forward
- Which of these would be evidence against endosymbiosis? a) chloroplast have their own DNA O b) their structure resembles that of prokaryotes O c) the presence of one membrane O d) chloroplast resemble cyanobacteriaarrow_forwardWhich among A-C is not matched correctly? A) O Pseudomurien: comprises cell wall of Archaea B) O Mycoplasma: bacterial species that lack a cell wall C) OMycolic acıds: unusual cell wall components of Mycobacteria species ) O All are matched correctlyarrow_forwardAs a taxonomic category, Protozoa is a/an… A) ... order. B) ... kingdom. C) ... class. D) None among the other choices E) ... phylum.arrow_forward
- An organism of the genus Staphylococcus is ________, while an organism of the genus Spirochaeta is ________. A) spherical / rod shaped B) rod shaped / coiled C) spherical / coiled D) coiled / sphericalarrow_forwardWhich of the following is mismatched?a) Plasmodium —malariab) Trypanosomes—dysenteryc) Dinoflagellates—paralytic shellfish poisoningd) Nematode—trichinellosisarrow_forwardChlamydomonas should best be classified under: A) One of the Protista Kingdoms of Eukarya Domain B) Archaea domain C) Plant Kingdom of Eukarya domain D) Animal Kingdom of Eukarya domain E) Bacteria domain Explain whyarrow_forward
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