Which of the following types of microbial cells are most similar to animal cells in terms of their structure and nutrition?

Multiple Choice

1.

The term prokaryotes refers to which of the following?

  1. very small organisms
  2. unicellular organisms that have no nucleus
  3. multicellular organisms
  4. cells that resemble animal cells more than plant cells

2.

The term microbiota refers to which of the following?

  1. all microorganisms of the same species
  2. all of the microorganisms involved in a symbiotic relationship
  3. all microorganisms in a certain region of the human body
  4. all microorganisms in a certain geographic region

3.

Which of the following refers to the type of interaction between two prokaryotic populations in which one population benefits and the other is not affected?

  1. mutualism
  2. commensalism
  3. parasitism
  4. neutralism

4.

Which of the following describes Proteobacteria in domain Bacteria?

  1. phylum
  2. class
  3. species
  4. genus

5.

Which of the following Alphaproteobacteria is the cause of Rocky Mountain spotted fever and typhus?

  1. Bartonella
  2. Coxiella
  3. Rickettsia
  4. Ehrlichia
  5. Brucella

6.

Class Betaproteobacteria includes all but which of the following genera?

  1. Neisseria.
  2. Bordetella.
  3. Leptothrix.
  4. Campylobacter.

7.

Haemophilus influenzae is a common cause of which of the following?

  1. influenza
  2. dysentery
  3. upper respiratory tract infections
  4. hemophilia

8.

Which of the following is the organelle that spirochetes use to propel themselves?

  1. plasma membrane
  2. axial filament
  3. pilum
  4. fimbria

9.

Which of the following bacteria are the most prevalent in the human gut?

  1. cyanobacteria
  2. staphylococci
  3. Borrelia
  4. Bacteroides

10.

Which of the following refers to photosynthesis performed by bacteria with the use of water as the donor of electrons?

  1. oxygenic
  2. anoxygenic
  3. heterotrophic
  4. phototrophic

11.

Which of the following bacterial species is classified as high G+C gram-positive?

  1. Corynebacterium diphtheriae
  2. Staphylococcus aureus
  3. Bacillus anthracis
  4. Streptococcus pneumonia

12.

The term “deeply branching” refers to which of the following?

  1. the cellular shape of deeply branching bacteria
  2. the position in the evolutionary tree of deeply branching bacteria
  3. the ability of deeply branching bacteria to live in deep ocean waters
  4. the pattern of growth in culture of deeply branching bacteria

13.

Which of these deeply branching bacteria is considered a polyextremophile?

  1. Aquifex pyrophilus
  2. Deinococcus radiodurans
  3. Staphylococcus aureus
  4. Mycobacterium tuberculosis

14.

Archaea and Bacteria are most similar in terms of their ________.

  1. genetics
  2. cell wall structure
  3. ecology
  4. unicellular structure

15.

Which of the following is true of archaea that produce methane?

  1. They reduce carbon dioxide in the presence of nitrogen.
  2. They live in the most extreme environments.
  3. They are always anaerobes.
  4. They have been discovered on Mars.

Which of the following types of microbial cells are most similar to animal cells in terms of their structure and nutrition?

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Which microbes are most similar to animals in their nutritional needs and cellular structure?

Protozoa are single celled eukaryotes that are similar to animals in their nutritional needs and cellular structure. Most protozoa are capable of locomotion and are classified by their method of locomotion.

What are the 4 types of microbes?

Microbial diversity is truly staggering, yet all these microbes can be grouped into five major types: Viruses, Bacteria, Archaea, Fungi, and Protists.

What determines a microbes nutritional type?

Bacteria require sources of carbon, nitrogen, phosphorous, iron and a large number of other molecules. Carbon, nitrogen and water are used in the highest quantities. The nutritional requirements for bacteria can be grouped according to the carbon source and the energy source.

Which of the following microbes is mismatched with its cell type?

Which of the following microbes is MISMATCHED with its cell type? Bacteria: eukaryotic cell. Bacteria are prokaryotic cells, and therefore have no membrane bound organelles.