an instrument used to see objects that are too small for the naked eye
What is microscope
200
One of the basic principles of biology is...
What is cell theory?
200
became the first to formulate what was then an informal belief as a principle of biology equal in importance to the atomic theory of chemistry.
Who is Matthias Schleiden
200
an objective lens with an eyepiece to view a real image, arose sometime in the early 17th century in Europe.
What is compound microscope
300
The two primary types of cells.
What is eukaryotic and prokaryotic?
300
German physiologist who founded modern histology by defining the cell as the basic unit of animal structure.
Who is Theodor Schwann.
300
In the early 20th century a significant alternative to light microscopy was developed, using electrons rather than light to generate the image
What is electron microscope
400
Cells contain genetic information necessary for directing cellular activities.
What is DNA and RNA?
400
He pioneered the modern concept of pathological processes by his application of the cell theory to explain the effects of disease in the organs and tissues of the body
Who is Rudolf Virchow
400
in 1981, developed by Gerd Binnig and Heinrich Rohrer
What is scanning tunnel microscope
500
tiny cellular structures, that carry out specific functions necessary for normal cellular operation.
What is organelles
500
Credit for the formulation of this theory is given to German scientists
What is Theodor Schwann, Matthias Schleiden, and Rudolph Virchow.
500
instruments that use electromagnetic radiation in the soft X-ray band to image objects