Microbiology Figure Identification Quiz

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Questions and Answers

What is a characteristic of bacteria that can be considered a pro?

  • Ecologically diverse
  • Complexity
  • Low adaptability
  • Metabolically diverse (correct)

Which layer of soil typically has the lowest level of microbial activity?

  • O horizon (correct)
  • B horizon
  • A horizon
  • C horizon

What is a characteristic of eukaryotes that sets them apart from bacteria and archaea?

  • Simplicity
  • Complexity (correct)
  • High adaptability
  • Metabolically diverse

In a microbial ecosystem, what determines the species richness and abundance?

<p>Types and quantities of nutrients available (C)</p> Signup and view all the answers

What distinguishes red algae from green algae in terms of their living locations in the ocean?

<p>Red algae live deep in the ocean whereas green algae live near the surface. (C)</p> Signup and view all the answers

Which microorganism group is known for its simplicity but high adaptability?

<p>Archaea (C)</p> Signup and view all the answers

What is a characteristic feature of Mycobacteria colonies?

<p>Cord-like morphology due to mycolic acids (B)</p> Signup and view all the answers

Which of the following is a unique feature of Streptomycetes?

<p>Mold-like morphology and antibiotic production (C)</p> Signup and view all the answers

What is the Gram staining result for Mycoplasma?

<p>Gram-negative due to their lack of cell walls (A)</p> Signup and view all the answers

Which of the following is a unique feature of hyperthermophilic bacteria?

<p>Production of ether-linked lipids, like Archaea (D)</p> Signup and view all the answers

Which of the following bacteria is known for its efficient DNA repair mechanisms?

<p>Deinococcus radiodurans (C)</p> Signup and view all the answers

What is the characteristic infection cycle of Chlamydia?

<p>Transition between metabolically active and inactive forms (C)</p> Signup and view all the answers

Based on the genome data, what is the most likely energy production pathway utilized by this bacterium?

<p>Glycolysis and fermentation (C)</p> Signup and view all the answers

What does the absence of biosynthetic pathways for amino acids in the bacterium's genome imply?

<p>It must acquire amino acids from its host (C)</p> Signup and view all the answers

What is the likely evolutionary history of this bacterium based on its genome reduction?

<p>It is an obligate intracellular pathogen (D)</p> Signup and view all the answers

Which nutrient cycle is most directly impacted by the metabolic capabilities of this bacterium?

<p>Carbon cycle (A)</p> Signup and view all the answers

Which of the following statements best describes the redox cycle involvement of this bacterium?

<p>It performs anaerobic fermentation (C)</p> Signup and view all the answers

What cultivation method would be most suitable for growing this bacterium in a laboratory setting?

<p>Co-culture with its host organism (A)</p> Signup and view all the answers

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