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50 terms

Micro Chapter 12: Characterizing and Classifying Eukaryotes

Microbiology with Diseases by Body System 3rd ed. by Robert W. Bauman
STUDY
PLAY
The fusion of two gametes produces a
A) zygote
B) chromatid
C) schizont
D) centromere
E) merozoite
A
Replication of the DNA occurs during
A) prophase
B) metaphase
C) interphase
D) anaphase
E) telophase
C
Sister chromatids separate and move toward the poles of the cell during _____ of mitosis.
A) interphase
B) anaphase
C) prophase
D) telophase
E) metaphase
B
An aligned pair of homologous chromosomes is called a
A) spindle
B) chromatid
C) gamete
D) tetrad
E) coenocyte
D
Which of the following pairs is mismatched?
A) plants: usually diploid
B) animals: usually diploid
C) fungi: usually diploid
D) protozoa: usually diploid
E) algae: usually haploid
C
Sister chromatids separate during _____ of meiosis.
A) anaphase II
B) telophase I
C) prophase II
D) metaphase II
E) anaphase I
A
Which of the following statements regarding meiosis is most accurate?
A) Homologous (non-sister) chromatids separate during anaphase II
B) Meiosis has the same number of stages as mitosis
C) Haploid cells produce diploid cells
D) A diploid cell produces haploid daughter cells
E) Crossing over occurs during metaphase I
D
Merozoites are a result of
A) meiosis
B) crossing over
C) schizogony
D) mitosis
E) conjugation
C
Which of the following is mismatched?
A) Entamoeba: pseudopodia
B) Euglena: flagellum
C) Plasmodium: merozoites
D) Paramecium: two nuclei
E) Toxoplasma: cilia
E
Which of the following is a protozoan stage that allows for transmission of intestinal parasites from one host to another?
A) cyst
B) kinetoplast
C) schizont
D) foraminifera
E) merozoite
A
Candida albicans invades human tissues by the use of
A) pseudohyphae
B) hyphae
C) thalli
D) mycelia
E) coenocytes
A
The _____ is the entire interwoven mass of one multicellular fungal organism.
A) pseudoplasmodium
B) mycelium
C) conidiophore
D) sporangium
E) hyphae
B
Which of the following is classified among the Alveolates?
A) Foraminifera
B) Paramecium and Foraminifera
C) Plasmodium
D) Paramecium
E) Paramecium and Plasmodium
E
Which of the following types of protozoa are bioluminescent?
A) ciliates
B) amoebae
C) kinetoplastids
D) apicomplexans
E) dinoflagellates
E
Plankton is composed of which of the following types of eukaryotic microbes?
A) algae
B) protozoa
C) fungi
D) both algae and protozoa
E) both fungi and algae
D
Conjugation is a reproductive process associated with which of the following types of protozoa?
A) dinoflagellates
B) amoebae
C) ciliates
D) parabasalids
E) kinetoplastids
C
Which of the following types of protozoa contributes to limestone formation in their fossilized state?
A) foraminiferans
B) diplomonads
C) amoebae
D) euglenozoa
E) ciliates
A
The asexual spores of molds are classified according to their
A) size
B) mode of development
C) type of metabolism
D) shapes
E) number of chromosomes
B
Which of the following is a cell type associated with sexual reproduction in fungi?
A) dikaryon
B) mycorrhiza
C) pneumocyst
D) sporangiospore
E) haustoria
A
The first eukaryote to have its entire genome sequenced was the fungus
A) Cryptococcus
B) Neurospora
C) Candida albicans
D) Saccharomyces
E) Rhizopus
D
Parasitology is the study of
A) helminths
B) fungi
C) algae
D) protozoa
E) both helminths and protozoa
E
Which of the following is a dinoflagellate whose toxin causes possible estuary-associated syndrome (PEAS)?
A) Gymnodinium
B) Balatidium
C) Toxoplasma
D) Pfiesteria
E) Gonyaulax
D
The large seaweed known as kelp is classified as a member of the
A) Chrysophyta
B) Chlorophyta
C) Rhodophyta
D) Phaeophyta
E) Deuteromycete
D
Hyphae are associated with which of the following?
A) yeasts
B) protozoa
C) molds
D) algae
E) helminths
C
Most of the fungi that spoil food belong to the division
A) Basidiomycota
B) Rhodophyta
C) Ascomycota
D) Deuteromycetes
E) Zygomycota
C
Lichens are composed of a symbiosis of fungi and which of the following?
A) cyanobacteria
B) cyanobacteria or green algae
C) green algae
D) euglenoids
E) euglenoids or dinoflagellates
B
A plasmodium is a coenocytic structure associated with
A) water molds
B) yeast
C) amoebae
D) slime molds
E) green algae
D
The division of Basidiomycota includes which of the following types of fungi?
A) truffles
B) ringworm
C) bread mold
D) mushrooms
E) baker's yeast
D
The roots of vascular plants from associations with fungi called _____, which allow them to absorb water and dissolved minerals from the soil.
A) thalli
B) mycoses
C) mycorrhizae
D) lichens
E) hyphae
C
Which of the following protozoan genera helps termites digest wood?
A) Trichonympha
B) Naegleria
C) Trichomonas
D) Pfiesteria
E) Nosema
A
In a cell that has a diploid number of 8 chromosomes, how many chromatids will be present at the beginning of mitosis?
A) 8
B) 4
C) 16
D) 32
E) 2
C
Which of the following is composed of microtubules?
A) a coenocyte
B) a tetrad
C) a spindle
D) a zygote
E) a chromatid
C
Which of the following would be virtually indistinguishable under the microscope?
A) late anaphase and early telophase
B) early prophase and early metaphase
C) late metaphase and early telophase
D) early metaphase and early anaphase
E) early anaphase and late anaphase
A
When mitosis occurs without cytokinesis, which of the following is produced?
A) merozoites
B) cysts
C) coenocytes
D) chromatids
E) macronuclei
C
_____ is the stage of mitosis in which chromatids move toward opposite poles.
A) interphase
B) telophase
C) metaphase
D) prophase
E) anaphase
E
The nuclear membrane disintegrates during _____ of mitosis.
A) cytokinesis
B) telophase
C) anaphase
D) metaphase
E) prophase
E
The chromosomes line up in the middle of the cell during
A) telophase
B) metaphase
C) prophase II
D) anaphase
E) prophase
B
The process of cytokinesis may occur during
A) prophase
B) metaphase
C) telophase
D) interphase
E) anaphase
C
During mitotic _____, the spindle forms.
A) metaphase
B) interphase
C) anaphase
D) telophase
E) prophase
E
Organisms known as diatoms are classified with the
A) protozoa
B) helminths
C) water molds
D) algae
E) fungi
D
The _____ include organisms classified ad Deuteromycetes.
A) arachnids
B) algae
C) protozoa
D) fungi
E) water molds
D
Single-celled organisms called ciliates are
A) insects
B) protozoa
C) algae
D) water molds
E) fungi
B
Ascomycetes are members of the
A) fungi
B) protozoa
C) helminths
D) algae
E) arachnids
A
The kelps are classified as
A) arachnids
B) fungi
C) algae
D) protozoa
E) water molds
C
Fungi reproduce only asexually.
F
Haploid genomes contain two sets of chromosomes
F
Protozoa are eukaryotic organisms that lack a cell wall and can be unicellular or multicellular.
F
In fungi, aseptate hyphae are coenocytic by definition.
T
Diseases of animals caused by fungi are called mycoses.
T
Myxamoebae act like protozoan amoebae only in the absence of water.
T