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Questions and Answers
What is the main function of staining techniques in light microscopy?
What is the main function of staining techniques in light microscopy?
- To increase the magnification of cells
- To enhance contrast between internal cell structures (correct)
- To improve resolution between two structures
- To prevent the cells from dying
Why is resolution important in microscopy?
Why is resolution important in microscopy?
- To increase the magnification of cells
- To make the cells more visible
- To change the chemical composition of cells
- To distinguish between two close structures (correct)
What is the limitation of light microscopes in terms of resolution?
What is the limitation of light microscopes in terms of resolution?
- Dependent on the quality of the lenses
- Limited by the intensity of light
- Limited by the color of light used for illumination
- Dependent on the wavelength of light (correct)
Which scientist refuted John Needham's claim about spontaneous generation?
Which scientist refuted John Needham's claim about spontaneous generation?
What did Francesco Redi's experiment involving maggots and meat demonstrate?
What did Francesco Redi's experiment involving maggots and meat demonstrate?
What is one drawback associated with staining techniques used in microscopy?
What is one drawback associated with staining techniques used in microscopy?
Who was the first to invent microscopes using a two-lens system?
Who was the first to invent microscopes using a two-lens system?
What was the size of Antoni van Leeuwenhoek's microscopes?
What was the size of Antoni van Leeuwenhoek's microscopes?
What did Robert Hooke use to concentrate light on a specimen in his microscope?
What did Robert Hooke use to concentrate light on a specimen in his microscope?
What did Robert Hooke observe that led him to coin the term 'cells'?
What did Robert Hooke observe that led him to coin the term 'cells'?
Which microscopist was the first to see movement of different types of single cells like bacteria and sperm?
Which microscopist was the first to see movement of different types of single cells like bacteria and sperm?
In the 18th century, what technological advancement in lenses improved magnification by reducing light halos and enhancing detail?
In the 18th century, what technological advancement in lenses improved magnification by reducing light halos and enhancing detail?
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