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Questions and Answers
Which type of microscope uses electron beams?
Which type of microscope uses electron beams?
- Oil immersion lens
- Electron microscope (correct)
- Refracting microscope
- Light microscope
What is the function of the condenser in a microscope?
What is the function of the condenser in a microscope?
- Hold the objective lenses
- Control the amount of light
- Collect and focus light into the specimen (correct)
- Look through the microscope
Which of the following is a characteristic of fungi?
Which of the following is a characteristic of fungi?
- Unicellular (yeasts)
- Multicellular (correct)
- Obligate intracellular parasite
- Prokaryote
What is the main function of the oil immersion lens in microscopy?
What is the main function of the oil immersion lens in microscopy?
Which of the following represents one of the Five 'I's of Microbiology?
Which of the following represents one of the Five 'I's of Microbiology?
What is the function of the diaphragm (iris) in a microscope?
What is the function of the diaphragm (iris) in a microscope?
Who is considered the father of Bacteriology and Protozoology?
Who is considered the father of Bacteriology and Protozoology?
Which scientist is credited with disproving the spontaneous generation theory?
Which scientist is credited with disproving the spontaneous generation theory?
Which scientist developed the rabies vaccine?
Which scientist developed the rabies vaccine?
Who discovered the causative agent of tuberculosis?
Who discovered the causative agent of tuberculosis?
Which scientist coined the term 'virus' and is considered the father of Virology?
Which scientist coined the term 'virus' and is considered the father of Virology?
What is the primary vector for the bubonic plague, which caused the Black Death?
What is the primary vector for the bubonic plague, which caused the Black Death?
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Study Notes
Microscopy and Electron Beams
- Electron Microscope: A type of microscope that utilizes electron beams instead of visible light to achieve higher resolution images.
Components of a Microscope
- Condenser Function: Concentrates light onto the specimen, enhancing clarity and illumination.
- Diaphragm (Iris) Function: Regulates the amount of light reaching the specimen, aiding in contrast and depth of field.
Characteristics and Functions in Microbiology
- Fungi Characteristics: Eukaryotic organisms that can be unicellular or multicellular, known for roles in decomposition and nutrient cycling.
- Oil Immersion Lens Function: Enhances resolution and clarity by minimizing light refraction, allowing for the observation of fine details in specimens.
Five 'I's of Microbiology
- One of the Five 'I's of Microbiology is Inoculation, which involves introducing microorganisms into a culture medium.
Historical Figures in Microbiology
- Father of Bacteriology and Protozoology: Louis Pasteur, recognized for his pioneering work in microbiology and vaccination.
- Disproving Spontaneous Generation: Louis Pasteur also disproved the spontaneous generation theory through his experiments demonstrating that microorganisms arise from existing microbes, not spontaneously from non-living matter.
- Rabies Vaccine Developer: Louis Pasteur developed the first rabies vaccine, significantly contributing to immunology.
- Causative Agent of Tuberculosis: Robert Koch discovered Mycobacterium tuberculosis, the bacterium responsible for tuberculosis.
- Term 'Virus' Coiner: Dmitri Ivanovsky is credited with coining the term 'virus' and laid foundational work for the field of Virology.
Disease Vectors
- Primary Vector for Bubonic Plague: The rat flea (Xenopsylla cheopis), which transmitted the bacterium Yersinia pestis, causing the Black Death.
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