Exploring Deltaproteobacteria Diversity

What is the Gram-staining characteristic of Bdellovibrio?

• Gram-positive

• Gram-negative

• Gram-variable

• Gram-indeterminate

Which shape best describes the morphology of Desulfovibrio?

• Spherical

• Spiral

• Comma-shaped rod

• Filamentous

What type of metabolism is associated with Desulfovibrio?

• Photosynthesis

• Sulfur reduction

• Nitrogen fixation

• Fermentation

Which of the following is a unique characteristic of Bdellovibrio?

• Forms colonies

• Parasitic, infecting other bacteria

• Reduces sulfur

• Gliding motility

What is the primary habitat of Myxobacterium?

• Aquatic environments

• Human gut

• Soil

• Extreme environments

Which of the following is true about the motility of Myxobacterium?

• They are non-motile

• They move by flagella

• They move by gliding

• They move by cilia

What is the Gram-staining characteristic of Myxobacterium?

• Gram-positive

• Gram-negative

• Gram-variable

• Gram-indeterminate

Which genus is known for its ability to reduce sulfur and can be used for the removal of toxic and radioactive waste?

• Bdellovibrio

• Desulfovibrio

• Myxobacterium

• Escherichia

What is the shape of Bdellovibrio?

• Spherical

• Spiral

• Comma-shaped rod

• Filamentous

Which genus is used as a model organism for studies of intercellular communication?

• Bdellovibrio

• Desulfovibrio

• Myxobacterium

• Pseudomonas