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Bio Microscope
Question | Answer |
---|---|
Represents Biology | Microscope |
Came from the Greek words "micros" (small) and "skopein" (to look at) | Microscope |
The unit structure | Cell |
The enlargement of an object viewed | Magnification |
Eyepiece & objectives | Magnification |
Condition where the smallest distance between two points on a specimen that can still be distinguished as two separate entities | Resolution |
Gives a detailed structure/ appearance | Resolution |
When is the first use of lenses to manipulate images was in Greek and Roman writings? | 1000 AD |
When did Hans and Zacharias Janssen make the first microscope by placing two lenses in a tube? | 1590 |
Who were the Dutch lens makers who made the first microscope by placing two lenses in a tube? | Hans and Zacharias Janssen (brothers) |
How did Hans and Zacharias Janssen made the first microscope? | By placing two lenses in a tube |
When did Robert Hooke discovered and named the cell? | 1665 |
The father of microscopy | Robert Hooke |
Who is The first to describe and coin the phrase "cell" when observing slice of cork using a microscope power of 30x? | Robert Hooke |
Saw compartments in the cell | Robert Hooke |
When did Anton Van Leeuwenhoek used a simple microscope to describe a bacteria? | 1675 |
First to described a bacteria | Anton Van Leeuwenhoek |
Most powerful microscope | Electron microscope |
When did Joseph Jackson Lister reduce spherical aberration or the "chromatic effect" for a good magnification w/o blurring the image? | 1830 |
Reduced spherical aberration or the "chromatic effect" for a good magnification w/o blurring the image | Joseph Jackson Lister |
Made the prototype for the compound microscope | Joseph Jackson Lister |
When did Ernst Abbe made a formula that provides calculation to allow possibility in the maximum resolution in microscopes? | 1872 |
Made a formula that provides calculation to allow possibility in the maximum resolution in microscopes | Ernst Abbe |
When did Richard Zsigmondy develop the ultra microscope that could study objects below the wavelength of light? | 1903 |
developed the ultra microscope that could study objects below the wavelength of light | Richard Zsigmondy |
Shortest and coldest wavelength | Red |
Longest and hottest wavelength | Blue |
When did Frits Zernike invented the phase contrast microscope | 1930 |
Who invented the phase contrast microscope that allowed for the study of colorless and transparent biological materials? | Frits Zernike |
The color of the human cell | Colorless |
Method used to give color to our cell because our cell is colorless | Staining Method |
The time where technical innovations improved microscopes, leading to microscopy becoming popular among scientists | 18th century |
When did Ernst Ruska co-invented the electron microscope | 1931 |
Co-invented the electron microscope for which he won the Nobel prize in Physics In 1986. | Ernst Ruska |
A microscope that depends on electrons rather than light to view an object, electrons are speeded up in a vacuum until their wavelength is extremely short, only one hundred thousandth that of white light | Electron Microscope |
Microscope that makes possible of viewing objects as small as the diameter of an atom | Electron microscope |
Smallest particle | Atom |
Microscopes that depend on light source | Compound Microscope |
Microscopes that use electricity as light | Electron microscope |
When did Gerd Binnig and Heinrich Rohrer invented the scanning tunneling microscope? | 1981 |
Invented the scanning tunneling microscope that gives 3D images of objects down to the atomic level. | Gerd Binnig and Heinrich Rohrer |
Strongest microscope to date | Scanning tunneling microscope |
What are the two types of electron microscope? | Transmission EM & Scanning EM |