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Which of the following organisms has a cell wall?


A) Candida albicans
B) Entamoeba histolytica
C) Enterobius vermicularis
D) Trypanosoma cruzi

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Which is not a characteristic of fungi?


A) Heterotrophic nutrition
B) Photosynthetic
C) Include single-cell and filamentous forms
D) Presence of cell walls

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You are observing an organism under the microscope and you note that it has a cell wall,no chloroplasts,and a nucleus.Your prediction would be that this organism is a(n) ______.


A) alga
B) protozoan
C) bacterium
D) fungus
E) virus

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The vesicle that originates from the Golgi apparatus and contains a variety of digestive enzymes is the ______.


A) ribosome
B) magnetosome
C) centrosome
D) lysosome
E) inclusion

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Protozoa are classified into four groups based on ______.


A) their pathogenicity
B) how they move
C) their required nutrients
D) the resistance properties of their cysts

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When a eukaryotic cell is not undergoing mitosis,the DNA and its associated proteins appear as a visible,thread-like mass called ______.


A) nucleoplasm
B) the nuclear envelope
C) chromatin
D) the nucleolus
E) the nucleosome

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Fungal asexual spores


A) produce offspring with different combinations of genes from the parent.
B) cannot be seen using a light microscope.
C) are produced when nutrients are limiting.
D) are the products of meiotic division by a single parent cell.
E) are used to identify fungi.

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Larval development of helminths occurs in which host?


A) Primary host
B) Intermediate host
C) Definitive host
D) Transport host
E) Larval development takes place in all hosts.

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The cell walls of fungi and algae are chemically identical to the bacterial cell wall.

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There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and cilia.


A) microtubules
B) active proteins
C) cilia
D) endoflagella
E) filaments

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Cilia are exhibited by certain ______.


A) fungi
B) protozoa
C) algae
D) viruses
E) bacteria

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When fungal buds remain attached in a row following cell division,the resulting chains of yeast cells are called ______.


A) mycelia
B) pseudohyphae
C) molds
D) dimorphic
E) septa

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Protozoan cysts are


A) analogous to bacterial endospores.
B) part of all protozoan life cycles.
C) the primary form of replication.
D) necessary for transmission to a new host.
E) are produced by binary fission.

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In the life cycle of the pinworm Enterobius,a common pediatric infection,the child carries the adult worm in his/ her intestine.The adult worm releases eggs,which are transmitted out of the body in the feces.The child will scratch the itching anal region,picking up the worm eggs and re-inserting them into his/her mouth.For this helminth life cycle,the human is the ______ host.


A) intermediate
B) definitive
C) primary
D) intermediate and definitive

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In eukaryotic cells,ribosomes have two locations.They are scattered in the ______ and on the surface of ______.


A) nucleus; endoplasmic reticulum
B) nucleus; Golgi apparatus
C) cytoplasm; Golgi apparatus
D) cytoplasm; endoplasmic reticulum

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Choose the correct order of the three main types of cytoskeletal elements in increasing order of size.


A) Actin filaments, intermediate filaments, flagella
B) Actin filaments, intermediate filaments, microtubules
C) Microtubules, flagella, cilia
D) Microtubules, intermediate filaments, actin filaments
E) Microtubules, cilia, flagella

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A protozoan cyst differs from a helminth egg in that


A) a cyst is metabolically active, but an egg is not.
B) cysts have a uniform structure, but eggs have a wide variety of morphologies.
C) the cyst can germinate to form the organism but the egg must be fertilized.
D) the chromosome is free in the cytoplasm of a cyst, but enclosed in a nucleus in an egg.

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Eukaryotic mitochondria have their own 70S ribosomes and circular DNA.

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Which of the following pairs is mismatched?


A) Protozoa; unicellular
B) Algae; multicellular
C) Fungi; multicellular
D) Protozoa; multicellular
E) Helminths; multicellular
F) Fungi; unicellular

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All of the following are helminths except ______.


A) tapeworms
B) flukes
C) trypanosomes
D) roundworms
E) pinworms

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