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Flashcards on Microbiology and Bacteria
Click on the flashcard to see the answer
What is the study of microorganisms called?
Microbiology
What are bacteria?
Single-celled microorganisms that can be beneficial or harmful
What is the shape of a bacteria called cocci?
Round or spherical
What is the shape of a bacteria called bacilli?
Rod-shaped
What is the shape of a bacteria called spirilla?
Spiral-shaped
What is binary fission?
A type of asexual reproduction in bacteria
What are the two main groups of bacteria based on their response to Gram staining?
Gram-positive and Gram-negative
What is an antibiotic?
A substance that can kill or inhibit the growth of bacteria
What is the role of bacteria in the nitrogen cycle?
Some bacteria convert atmospheric nitrogen into forms that plants can use
What is a pathogen?
A disease-causing microorganism such as bacteria
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Test Your Knowledge
Which field of study focuses on microorganisms?
Microbiology
Astronomy
Botany
Geology
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What are bacteria?
Single-celled microorganisms
Multicellular animals
Plant cells
Viruses
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Which shape describes cocci bacteria?
Round or spherical
Rod-shaped
Spiral-shaped
Cube-shaped
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What is binary fission?
Asexual reproduction in bacteria
Cell division in plants
Cell fusion in animals
Sexual reproduction in fungi
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What are the two main groups of bacteria based on Gram staining?
Gram-positive and Gram-negative
Acidic and alkaline
Prokaryotic and eukaryotic
Autotrophic and heterotrophic
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What is the function of antibiotics?
Kill or inhibit bacterial growth
Enhance plant growth
Increase oxygen levels
Boost the immune system
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How do bacteria contribute to the nitrogen cycle?
Convert atmospheric nitrogen for plants
Absorb excess nitrogen from soil
Produce nitrogen gas as waste
Store nitrogen in specialized cells
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Which term refers to disease-causing microorganisms?
Pathogens
Antigens
Antibodies
Antibiotics
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What is the shape of spirilla bacteria?
Spiral-shaped
Round or spherical
Rod-shaped
Cube-shaped
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Which group of bacteria is stained pink in Gram staining?
Gram-negative
Gram-positive
Gram-neutral
Gram-variable
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