Chemolithotrophic and Methanogenic Bacteria Quiz
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Questions and Answers

Chemolithotrophic bacteria derive their energy by oxidizing ______ compounds

inorganic

Methanogens produce ______ as a metabolic byproduct during methanogenesis

methane

Staphylococcus is a sphere-shaped bacteria that is positive in the ______ stain test

gram

Endospore-forming bacteria are capable of forming specialized structures called ______

<p>endospores</p> Signup and view all the answers

Lactobacilli are bacteria that produce a blue or purple color in a ______ stain test

<p>gram</p> Signup and view all the answers

Actinomyces are bacteria that are similar to fungi due to their branching ______

<p>filaments</p> Signup and view all the answers

Microbial Characterization is the process of identifying and describing ______, such as bacteria, viruses, fungi, and archaea.

<p>microorganisms</p> Signup and view all the answers

Phototrophic Bacteria use visible light as a primary ______ source for metabolism.

<p>energy</p> Signup and view all the answers

Gliding Bacteria move under its own ______.

<p>power</p> Signup and view all the answers

Sheathed Bacteria are covered and attached to submerged surfaces in ______-running water.

<p>slow</p> Signup and view all the answers

Spirochetes are characterized by their flexible, helical (spiral) ______ and unique method of motility.

<p>shape</p> Signup and view all the answers

Gram-Negative Facultatively Anaerobic Rods stain Gram-negative during the Gram staining ______.

<p>procedure</p> Signup and view all the answers

Gram-negative microorganisms have a high resistance to ______, posing high risk towards one's health.

<p>antibiotics</p> Signup and view all the answers

Gram negative cocci and coccobacilli are ______ (aerobes).

<p>anaerobic</p> Signup and view all the answers

Gram negative cocci are sphere-shaped bacteria (cocci) or oval-shaped bacteria in between a rod shape and sphere shape bacteria (coccobacilli) that do ______ oxygen to survive.

<p>require</p> Signup and view all the answers

Gram-negative microorganisms appear as pink or red due to their inability in holding the blue or purple color of the ______.

<p>dye</p> Signup and view all the answers

Gram negative anaerobic cocci, like Veilonella parvula, thrive in an environment without the presence of ______.

<p>oxygen</p> Signup and view all the answers

Gram negative chemolithotropic bacteria, like Nitrobacter, obtain energy by oxidizing ______ compounds.

<p>inorganic</p> Signup and view all the answers

Actinomycetes are a group of __________ bacteria characterized by their unique filamentous or branching morphology

<p>Gram-positive</p> Signup and view all the answers

Some actinomycetes produce spore-bearing structures, such as __________ or conidia

<p>sporangia</p> Signup and view all the answers

Rickettsias are a group of Gram-__________ obligate intracellular bacteria

<p>negative</p> Signup and view all the answers

Rickettsias are typically transmitted to humans through arthropod ________

<p>vectors</p> Signup and view all the answers

Mycoplasmas are the smallest bacterial cells that can survive without ________

<p>oxygen</p> Signup and view all the answers

Unlike most bacteria, mycoplasmas have a flexible cell membrane that allows them to take on various ________

<p>shapes</p> Signup and view all the answers

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