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Chapter 10 Classification of Microorganisms

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Chapter 10 multiple choice questions

Pregunta 1 de 10

1

Bergey's Manual of Systematic Bacteriology differs from Bergey's Manual of Determinative Bacteriology in that the former

Selecciona una de las siguientes respuestas posibles:

  • groups bacteria into species

  • groups bacteria according to phylogenetic relationships

  • groups bacteria according to pathogenic properties

  • groups bacteria into 19 species

  • all of the above

Explicación

Pregunta 2 de 10

1

Bacillus and Lactobacillus are not in the same order. This indicates that which one of the following is NOT sufficient to assign an organism to a taxon?

Selecciona una de las siguientes respuestas posibles:

  • biochemical characteristics

  • amino acid sequencing

  • phage typing

  • serology

  • morphological characteristics

Explicación

Pregunta 3 de 10

1

Which of the following is used to classify organisms into the kingdom fungi?

Selecciona una de las siguientes respuestas posibles:

  • ability to photosynthesize; possess a cell wall

  • unicellular; possess cell wall, prokaryotic

  • unicellular; lacking cell wall, eukaryotic

  • absorptive; possess cell wall, eukaryotic

  • ingestive; lacking cell wall; multicellular; prokaryotic

Explicación

Pregunta 4 de 10

1

Which of the following is false about scientific nomenclature?

Selecciona una de las siguientes respuestas posibles:

  • each name is specific

  • names vary with geographical location

  • the names are standardized

  • each name consists of a genus and specific epithet

  • it was the first designed by Linnaeus

Explicación

Pregunta 5 de 10

1

You could ID an unknown bacterium by all of the following except

Selecciona una de las siguientes respuestas posibles:

  • hybridizing a DNA probe from a known bacterium with the uknown's DNA

  • making a fatty acid profile of the unknown

  • specific antiserum agglutinating the unknown

  • ribosomal RNA sequencing

  • percentage of guanine + cytosine

Explicación

Pregunta 6 de 10

1

The wall-less mycoplasmas are considered to be related to gram-positive bacteria. Which of the following would provide the most compelling evidence for this?

Selecciona una de las siguientes respuestas posibles:

  • They share common rRNA sequences

  • Some gram-positive bacteria and some mycoplasmas produce catalase.

  • both groups are prokaryotic

  • some gram-positive bacteria are some mycoplasmas have coccus-shaped cells

  • both groups contain human pathogens

Explicación

Pregunta 7 de 10

1

Into which group would you place a multicellular organism that has a mouth and lives inside the human liver?

Selecciona una de las siguientes respuestas posibles:

  • animalia

  • fungi

  • plantae

  • firmicutes (gram-positive bacteria)

  • proteobacteria (gram-negative bacteria)

Explicación

Pregunta 8 de 10

1

Into which group would you place a photosynthetic organism that lacks a nucleus and has a thin peptidoglycan wall surrounded by an outer membrane?

Selecciona una de las siguientes respuestas posibles:

  • animalia

  • fungi

  • plantae

  • firmicutes (gram-positive bacteria)

  • proteobacteria (gram-negative bacteria)

Explicación

Pregunta 9 de 10

1

Which of the following is (are) found in all three domains?

Selecciona una de las siguientes respuestas posibles:

  • 70s Ribosomes, plasma membrane

  • peptidoglycan

  • 70s Ribosomes, plasma membrane, nucleus

  • 9 + 2 flagella, fimbria, peptidoglycan

  • 9+ 2 flagella, 702 ribosomes, fimbria, nucleus, peptidoglycan, plasma membrane

Explicación

Pregunta 10 de 10

1

Which is (are) found only in prokaryotes?

Selecciona una de las siguientes respuestas posibles:

  • 9 + 2 flagella, nucleus, plasma membrane

  • fimbria, peptidoglycan

  • 9 + 2 flagella, 70s Ribosomes

  • nucleus

  • 70 s ribosomes, nucleus, peptidoglycan

Explicación