Module 3.1 The Cellular Level of Organization Flashcards
Before microscopes we knew ?
only what the eye could see from frog egg to larger organisms
only what the eye could see from frog egg to larger organisms
before microscope
after microscope we knew ?
smaller than the eye can see from human egg to viruses to bacteria to atoms
smaller than the eye can see from human egg to viruses to bacteria to atoms
after microscopes
in the 1600s ? was responsible for naming the cell a cell
robert hook
robert hook ?
was responsible for naming the cell a cell in the 1600s
compound light microscope ?
uses a set of glass lenses to focus light rays passing through a specimen to produce an image that is viewed by the human eye
uses a set of glass lenses to focus light rays passing through a specimen to produce an image that is viewed by the human eye
compound light microscope
transmission electron microscope (TEM)
uses a set of electromagnetic lenses to focus electrons passing through a specimen to produce an image that is projected onto a fluorescent screen or photographic film
uses a set of electromagnetic lenses to focus electrons passing through a specimen to produce an image that is projected onto a fluorescent screen or photographic film
transmission electron microscope (TEM)
scanning electron microscope (SEM)
uses a narrow beam of electrons to scan over the surface of a specimen that is coded with a thin metal layer
uses a narrow beam of electrons to scan over the surface of a specimen that is coded with a thin metal layer
scanning electron microscope (SEM)
dissecting microscope
used to see things that are not transparent (3d organisms)
used to see things that are not transparent (3d organisms)
dissecting microscope
compound light microscope
what is the ocular lense
the one or two lenses at the top that you look into
