28 Questions
What is the role of Nitrosomonas bacteria in the nitrogen cycle?
Convert ammonia into nitrites
How do microorganisms contribute to nutrient absorption and maintaining a balanced microbial community in the gut?
By breaking down complex substances
Which microorganism is responsible for the production of antibiotics like penicillin?
Penicillium fungi
In environmental cleanup, what role do Pseudomonas bacteria play?
Breaking down pollutants like oil spills
Which microorganism aids in fermentation processes by converting sugars into alcohol and carbon dioxide?
Saccharomyces cerevisiae yeast
What is a characteristic feature of spirochetes?
Flagella for movement
Which type of bacteria has a thin peptidoglycan layer in their cell wall?
Gram-negative facultatively anaerobic rods
What feature is common among gram-negative anaerobic bacilli?
High resistance to antibiotics
What distinguishes gram-negative cocci from coccobacilli?
Aerobic nature
What is the distinguishing feature of Gram-Negative Aerobic Rods and Cocci?
Staining purple under Gram staining
What characteristic defines spirillum bacteria?
Rigid spiral structure
What characteristic gives Gram-negative microorganisms their pink or red appearance?
Inability to hold the purple dye
Which shape classification includes microorganisms that are oval-like and in between a sphere and a rod shape?
Coccobacilli
What type of bacteria thrive in environments without the presence of oxygen?
Anaerobic bacteria
Which type of bacteria derive their energy by oxidizing inorganic compounds such as minerals or gases?
Chemolithotrophic bacteria
Which group of bacteria are known for producing methane (CH₄) as a metabolic byproduct?
Methanogens
Which feature characterizes Gram-negative anaerobic cocci, such as Veilonella parvula?
Have a thick peptidoglycan layer
What do microorganisms use to monitor and interpret external inputs into specific cellular signals?
Transcriptional regulatory circuits
In microbial physiology, what are microbes mostly incorporated into?
Medicines
What is the main role of fungus and bacteria in medicines according to the text?
Stop and kill disease-causing microorganisms
Which industry saw the invention of antibiotics and vaccines?
Pharmaceutical industry
How do microorganisms respond and adapt to adverse environmental changes?
Utilizing transcriptional regulatory circuits
Which type of cells lack a true nucleus?
Prokaryotic
What type of cell division do eukaryotic microorganisms undergo?
Mitosis
Which of the following is an example of a eukaryotic microorganism?
Fungi
Which cells are generally larger - prokaryotic or eukaryotic cells?
Eukaryotic cells
Where is the genetic material located in prokaryotic microorganisms?
Single circular DNA molecule in the nucleoid region
Which type of microorganism lacks membrane-bound organelles?
Prokaryotic microorganisms
Test your knowledge on the morphology of different types of bacteria including budding, appendaged, spirochetes, spiral, curved, gram-negative aerobic rods, and cocci. Identify characteristics such as shape, motility, and staining properties.
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