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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?

Types and quantities of nutrients available (C) Signup and view all the answers

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

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

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

Archaea (C) Signup and view all the answers

What is a characteristic feature of Mycobacteria colonies?

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

Which of the following is a unique feature of Streptomycetes?

Mold-like morphology and antibiotic production (C) Signup and view all the answers

What is the Gram staining result for Mycoplasma?

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

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

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

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

Deinococcus radiodurans (C) Signup and view all the answers

What is the characteristic infection cycle of Chlamydia?

Transition between metabolically active and inactive forms (C) Signup and view all the answers

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

Glycolysis and fermentation (C) Signup and view all the answers

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

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

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

It is an obligate intracellular pathogen (D) Signup and view all the answers

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

Carbon cycle (A) Signup and view all the answers

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

It performs anaerobic fermentation (C) Signup and view all the answers

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

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