Podcast
Questions and Answers
Who invented the first compound microscope in 1595?
Who invented the first compound microscope in 1595?
- Robert Hooke
- Antoni van Leeuwenhoek
- Isaac Newton
- The Janssens (correct)
What did Robert Hooke observe under the microscope in 1665?
What did Robert Hooke observe under the microscope in 1665?
- Animalcules
- Bacteria
- Protozoa
- Cork cells (correct)
Which scientist used a single lens microscope to observe bacteria, sperm, and unicellular protozoa?
Which scientist used a single lens microscope to observe bacteria, sperm, and unicellular protozoa?
- Robert Hooke
- The Janssens
- Antoni van Leeuwenhoek (correct)
- Isaac Newton
What is the maximum magnification range of light microscopes?
What is the maximum magnification range of light microscopes?
Who proposed that all plants and animals are composed of cells, contributing to the development of cell theory?
Who proposed that all plants and animals are composed of cells, contributing to the development of cell theory?
Which technique uses a laser to concentrate light into a specimen, allowing for the study of cells at the molecular level?
Which technique uses a laser to concentrate light into a specimen, allowing for the study of cells at the molecular level?
Which aspect of light microscopes is improved by using staining techniques?
Which aspect of light microscopes is improved by using staining techniques?
What is the limiting factor for the resolution of a light microscope?
What is the limiting factor for the resolution of a light microscope?
What is the resolution of a scanning electron microscope (SEM) when imaging cell structures?
What is the resolution of a scanning electron microscope (SEM) when imaging cell structures?
Which microscopy technique allows the study of living cells without killing them using GFP technology?
Which microscopy technique allows the study of living cells without killing them using GFP technology?
What important observation did Robert Brown make in 1833 that contributed to cell knowledge?
What important observation did Robert Brown make in 1833 that contributed to cell knowledge?
Which technique is specifically designed to improve image quality by enhancing contrast between internal structures using fluorescent substances?
Which technique is specifically designed to improve image quality by enhancing contrast between internal structures using fluorescent substances?
