Podcast
Questions and Answers
Which scientist first observed cells in 1665?
Which scientist first observed cells in 1665?
- Antoni van Leeuwenhoek
- Robert Hooke (correct)
- Gregor Mendel
- Louis Pasteur
What did Antoni van Leeuwenhoek describe using more refined lenses?
What did Antoni van Leeuwenhoek describe using more refined lenses?
- Blood
- Sperm
- Organisms living in pond water
- All of the above (correct)
What is the most frequently used microscope in biology laboratories?
What is the most frequently used microscope in biology laboratories?
- Light microscope (correct)
- Scanning probe microscope
- Confocal microscope
- Electron microscope
What is magnification?
What is magnification?
What is resolution?
What is resolution?
Flashcards
Who was Robert Hooke?
Who was Robert Hooke?
Observed cells for the first time in 1665 using a microscope.
What are light microscopes?
What are light microscopes?
Microscopes that use visible light to magnify objects. Commonly used in biology labs.
What is magnification?
What is magnification?
Increase in the apparent size of an object, making it easier to see details.
What is resolution?
What is resolution?
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Who was Antoni van Leeuwenhoek?
Who was Antoni van Leeuwenhoek?
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Study Notes
Cells and Microscopy
- In 1665, Robert Hooke was the first scientist to observe cells.
- Antoni van Leeuwenhoek, using more refined lenses, described microorganisms such as bacteria, yeast, and protists.
- The most frequently used microscope in biology laboratories is the compound light microscope.
- Magnification is the process of enlarging an image of an object using a microscope or other optical instrument.
- Resolution is the minimum distance between two points that can still be distinguished as separate, and is a measure of a microscope's ability to produce detailed images.
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