Microscopes Flashcards
(21 cards)
This type of microscope uses a beam of electrons views through an ultra thin sample
Transmission electron microscope
This type of microscope uses lights and lenses To magnify a samples image
light microscope
This type of microscope is used by focusing a beam Of electrons through a sample - good for 3d surface images
Scanning electron microscope
The invention of this technology made the discovery of cells possible
Microscope
Robert Hooke use this name to refer to the tiny empty chambers he saw when he observed magnified cork
Cells
All cells are surrounded by a thin flexible barrier called this
Cell membrane
There are two types of electron microscopes name them both
Scanning and transmission
This type of cell has their DNA enclosed in their nucleus
Eukaryotic
This type of cell does not have their DNA encased in the nucleus
Eukaryotic
This German botanist concluded that plants are made of cells
Matthias schleiden
This German biologist confirm that animals are made of cells
Theodor Schwann
These are the basic units of life
Cells
Are the three parts of cell theory
1) all things are made from living cells
2) cells are the basic units of structure and function in living things
3) new cells are produced from existing cells
Human body cells are made of these kind of cells
Prokaryotic
This was the first person to observe living cells
Anton can Leeuwenhoek
This is the first person to see inside the nucleus
Robert brown
This part of the microscope is used to focus the image
Course adjustment knob
This is where you place specimens or examples to view under microscope
Microscope slide
Microscope lenses are used for two different things: what is the scientific term for enlargement of the object
Magnification
Microscope lenses are used for two different things: one of them is to make the object clear what is the scientific term for this
Resolution
What is the formula for the magnification of an object?
Eyepiece x object = total magnification
